Home / 38,842.20-58,264.52-12,547.17

Finding the Fourth Proportional to 38,842.20, 58,264.52 and 12,547.17

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Solution

The fourth proportional to 38,842.20, 58,264.52 and 12,547.17 is: 18,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842.20 : 58,264.52 = 12,547.17 : x
  2. Step 2: Convert to fraction form
    38,842.20/58,264.52 = 12,547.17/x
  3. Step 3: Cross multiply
    38,842.20x = 58,264.52 × 12,547.17
  4. Step 4: Simplify right side
    38,842.20x = 731,054,774.67
  5. Step 5: Solve for x
    x = 731,054,774.67/38,842.20
  6. Step 6: Final answer
    x = 18,821.15

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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.