Home / 65,341.13-90,156.85-38,473.83

Finding the Fourth Proportional to 65,341.13, 90,156.85 and 38,473.83

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Solution

The fourth proportional to 65,341.13, 90,156.85 and 38,473.83 is: 53,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,341.13 : 90,156.85 = 38,473.83 : x
  2. Step 2: Convert to fraction form
    65,341.13/90,156.85 = 38,473.83/x
  3. Step 3: Cross multiply
    65,341.13x = 90,156.85 × 38,473.83
  4. Step 4: Simplify right side
    65,341.13x = 3,468,679,224.05
  5. Step 5: Solve for x
    x = 3,468,679,224.05/65,341.13
  6. Step 6: Final answer
    x = 53,085.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.