Home / 38,891.48-58,349.32-13,931.74

Finding the Fourth Proportional to 38,891.48, 58,349.32 and 13,931.74

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Solution

The fourth proportional to 38,891.48, 58,349.32 and 13,931.74 is: 20,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.48 : 58,349.32 = 13,931.74 : x
  2. Step 2: Convert to fraction form
    38,891.48/58,349.32 = 13,931.74/x
  3. Step 3: Cross multiply
    38,891.48x = 58,349.32 × 13,931.74
  4. Step 4: Simplify right side
    38,891.48x = 812,907,590.25
  5. Step 5: Solve for x
    x = 812,907,590.25/38,891.48
  6. Step 6: Final answer
    x = 20,901.95

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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.