Home / 39,659.90-59,486.76-14,688.20

Finding the Fourth Proportional to 39,659.90, 59,486.76 and 14,688.20

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Solution

The fourth proportional to 39,659.90, 59,486.76 and 14,688.20 is: 22,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.90 : 59,486.76 = 14,688.20 : x
  2. Step 2: Convert to fraction form
    39,659.90/59,486.76 = 14,688.20/x
  3. Step 3: Cross multiply
    39,659.90x = 59,486.76 × 14,688.20
  4. Step 4: Simplify right side
    39,659.90x = 873,753,428.23
  5. Step 5: Solve for x
    x = 873,753,428.23/39,659.90
  6. Step 6: Final answer
    x = 22,031.16

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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.