Home / 38,969.08-58,459.28-12,306.04

Finding the Fourth Proportional to 38,969.08, 58,459.28 and 12,306.04

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Solution

The fourth proportional to 38,969.08, 58,459.28 and 12,306.04 is: 18,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.08 : 58,459.28 = 12,306.04 : x
  2. Step 2: Convert to fraction form
    38,969.08/58,459.28 = 12,306.04/x
  3. Step 3: Cross multiply
    38,969.08x = 58,459.28 × 12,306.04
  4. Step 4: Simplify right side
    38,969.08x = 719,402,238.05
  5. Step 5: Solve for x
    x = 719,402,238.05/38,969.08
  6. Step 6: Final answer
    x = 18,460.85

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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.