Home / 39,601.86-59,402.25-13,302.78

Finding the Fourth Proportional to 39,601.86, 59,402.25 and 13,302.78

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Solution

The fourth proportional to 39,601.86, 59,402.25 and 13,302.78 is: 19,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,601.86 : 59,402.25 = 13,302.78 : x
  2. Step 2: Convert to fraction form
    39,601.86/59,402.25 = 13,302.78/x
  3. Step 3: Cross multiply
    39,601.86x = 59,402.25 × 13,302.78
  4. Step 4: Simplify right side
    39,601.86x = 790,215,063.26
  5. Step 5: Solve for x
    x = 790,215,063.26/39,601.86
  6. Step 6: Final answer
    x = 19,953.99

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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.