Home / 39,613.79-59,420.82-10,031.61

Finding the Fourth Proportional to 39,613.79, 59,420.82 and 10,031.61

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Solution

The fourth proportional to 39,613.79, 59,420.82 and 10,031.61 is: 15,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.79 : 59,420.82 = 10,031.61 : x
  2. Step 2: Convert to fraction form
    39,613.79/59,420.82 = 10,031.61/x
  3. Step 3: Cross multiply
    39,613.79x = 59,420.82 × 10,031.61
  4. Step 4: Simplify right side
    39,613.79x = 596,086,492.12
  5. Step 5: Solve for x
    x = 596,086,492.12/39,613.79
  6. Step 6: Final answer
    x = 15,047.45

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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.