Home / 39,032.55-58,554.90-12,729.15

Finding the Fourth Proportional to 39,032.55, 58,554.90 and 12,729.15

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Solution

The fourth proportional to 39,032.55, 58,554.90 and 12,729.15 is: 19,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.55 : 58,554.90 = 12,729.15 : x
  2. Step 2: Convert to fraction form
    39,032.55/58,554.90 = 12,729.15/x
  3. Step 3: Cross multiply
    39,032.55x = 58,554.90 × 12,729.15
  4. Step 4: Simplify right side
    39,032.55x = 745,354,105.34
  5. Step 5: Solve for x
    x = 745,354,105.34/39,032.55
  6. Step 6: Final answer
    x = 19,095.71

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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.