Home / 40,320.95-60,490.49-13,665.42

Finding the Fourth Proportional to 40,320.95, 60,490.49 and 13,665.42

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Solution

The fourth proportional to 40,320.95, 60,490.49 and 13,665.42 is: 20,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.95 : 60,490.49 = 13,665.42 : x
  2. Step 2: Convert to fraction form
    40,320.95/60,490.49 = 13,665.42/x
  3. Step 3: Cross multiply
    40,320.95x = 60,490.49 × 13,665.42
  4. Step 4: Simplify right side
    40,320.95x = 826,627,883.53
  5. Step 5: Solve for x
    x = 826,627,883.53/40,320.95
  6. Step 6: Final answer
    x = 20,501.20

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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.