Home / 48,457-72,685.50-15,625

Finding the Fourth Proportional to 48,457, 72,685.50 and 15,625

Calculator

Solution

The fourth proportional to 48,457, 72,685.50 and 15,625 is: 23,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,457 : 72,685.50 = 15,625 : x
  2. Step 2: Convert to fraction form
    48,457/72,685.50 = 15,625/x
  3. Step 3: Cross multiply
    48,457x = 72,685.50 × 15,625
  4. Step 4: Simplify right side
    48,457x = 1,135,710,937.50
  5. Step 5: Solve for x
    x = 1,135,710,937.50/48,457
  6. Step 6: Final answer
    x = 23,437.50

Related Problems

Find fourth proportional to 24,228.50, 36,342.75 and 7,812.50
Half scale
Find fourth proportional to 96,914, 145,371 and 31,250
Double scale
Find fourth proportional to 48,458, 72,687 and 15,626
Similar ratio
Find fourth proportional to 72,685.50, 109,028.25 and 23,437.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.