Home / 38,889.17-58,345.85-13,929.43

Finding the Fourth Proportional to 38,889.17, 58,345.85 and 13,929.43

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Solution

The fourth proportional to 38,889.17, 58,345.85 and 13,929.43 is: 20,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.17 : 58,345.85 = 13,929.43 : x
  2. Step 2: Convert to fraction form
    38,889.17/58,345.85 = 13,929.43/x
  3. Step 3: Cross multiply
    38,889.17x = 58,345.85 × 13,929.43
  4. Step 4: Simplify right side
    38,889.17x = 812,724,322.32
  5. Step 5: Solve for x
    x = 812,724,322.32/38,889.17
  6. Step 6: Final answer
    x = 20,898.48

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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.