Home / 38,904.08-58,354.18-13,943.72

Finding the Fourth Proportional to 38,904.08, 58,354.18 and 13,943.72

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Solution

The fourth proportional to 38,904.08, 58,354.18 and 13,943.72 is: 20,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,904.08 : 58,354.18 = 13,943.72 : x
  2. Step 2: Convert to fraction form
    38,904.08/58,354.18 = 13,943.72/x
  3. Step 3: Cross multiply
    38,904.08x = 58,354.18 × 13,943.72
  4. Step 4: Simplify right side
    38,904.08x = 813,674,346.75
  5. Step 5: Solve for x
    x = 813,674,346.75/38,904.08
  6. Step 6: Final answer
    x = 20,914.88

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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.