Home / 34,902.10-52,353.15-9,939.70

Finding the Fourth Proportional to 34,902.10, 52,353.15 and 9,939.70

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Solution

The fourth proportional to 34,902.10, 52,353.15 and 9,939.70 is: 14,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,902.10 : 52,353.15 = 9,939.70 : x
  2. Step 2: Convert to fraction form
    34,902.10/52,353.15 = 9,939.70/x
  3. Step 3: Cross multiply
    34,902.10x = 52,353.15 × 9,939.70
  4. Step 4: Simplify right side
    34,902.10x = 520,374,605.06
  5. Step 5: Solve for x
    x = 520,374,605.06/34,902.10
  6. Step 6: Final answer
    x = 14,909.55

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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.