Home / 66,332.90-99,484.58-40,001.42

Finding the Fourth Proportional to 66,332.90, 99,484.58 and 40,001.42

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Solution

The fourth proportional to 66,332.90, 99,484.58 and 40,001.42 is: 59,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332.90 : 99,484.58 = 40,001.42 : x
  2. Step 2: Convert to fraction form
    66,332.90/99,484.58 = 40,001.42/x
  3. Step 3: Cross multiply
    66,332.90x = 99,484.58 × 40,001.42
  4. Step 4: Simplify right side
    66,332.90x = 3,979,524,468.10
  5. Step 5: Solve for x
    x = 3,979,524,468.10/66,332.90
  6. Step 6: Final answer
    x = 59,993.22

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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.