Home / 38,985.06-58,484.79-12,337.76

Finding the Fourth Proportional to 38,985.06, 58,484.79 and 12,337.76

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Solution

The fourth proportional to 38,985.06, 58,484.79 and 12,337.76 is: 18,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.06 : 58,484.79 = 12,337.76 : x
  2. Step 2: Convert to fraction form
    38,985.06/58,484.79 = 12,337.76/x
  3. Step 3: Cross multiply
    38,985.06x = 58,484.79 × 12,337.76
  4. Step 4: Simplify right side
    38,985.06x = 721,571,302.67
  5. Step 5: Solve for x
    x = 721,571,302.67/38,985.06
  6. Step 6: Final answer
    x = 18,508.92

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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.