Home / 45,272.68-67,909.03-15,690.53

Finding the Fourth Proportional to 45,272.68, 67,909.03 and 15,690.53

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Solution

The fourth proportional to 45,272.68, 67,909.03 and 15,690.53 is: 23,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,272.68 : 67,909.03 = 15,690.53 : x
  2. Step 2: Convert to fraction form
    45,272.68/67,909.03 = 15,690.53/x
  3. Step 3: Cross multiply
    45,272.68x = 67,909.03 × 15,690.53
  4. Step 4: Simplify right side
    45,272.68x = 1,065,528,803.03
  5. Step 5: Solve for x
    x = 1,065,528,803.03/45,272.68
  6. Step 6: Final answer
    x = 23,535.80

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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.