Home / 86,565.36-129,838.32-24,240.72

Finding the Fourth Proportional to 86,565.36, 129,838.32 and 24,240.72

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Solution

The fourth proportional to 86,565.36, 129,838.32 and 24,240.72 is: 36,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.36 : 129,838.32 = 24,240.72 : x
  2. Step 2: Convert to fraction form
    86,565.36/129,838.32 = 24,240.72/x
  3. Step 3: Cross multiply
    86,565.36x = 129,838.32 × 24,240.72
  4. Step 4: Simplify right side
    86,565.36x = 3,147,374,360.39
  5. Step 5: Solve for x
    x = 3,147,374,360.39/86,565.36
  6. Step 6: Final answer
    x = 36,358.36

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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.