Home / 34,955.99-52,421.22-12,762.80

Finding the Fourth Proportional to 34,955.99, 52,421.22 and 12,762.80

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Solution

The fourth proportional to 34,955.99, 52,421.22 and 12,762.80 is: 19,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.99 : 52,421.22 = 12,762.80 : x
  2. Step 2: Convert to fraction form
    34,955.99/52,421.22 = 12,762.80/x
  3. Step 3: Cross multiply
    34,955.99x = 52,421.22 × 12,762.80
  4. Step 4: Simplify right side
    34,955.99x = 669,041,284.51
  5. Step 5: Solve for x
    x = 669,041,284.51/34,955.99
  6. Step 6: Final answer
    x = 19,139.53

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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.