Home / 71,415.64-98,550.90-39,585.08

Finding the Fourth Proportional to 71,415.64, 98,550.90 and 39,585.08

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Solution

The fourth proportional to 71,415.64, 98,550.90 and 39,585.08 is: 54,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.64 : 98,550.90 = 39,585.08 : x
  2. Step 2: Convert to fraction form
    71,415.64/98,550.90 = 39,585.08/x
  3. Step 3: Cross multiply
    71,415.64x = 98,550.90 × 39,585.08
  4. Step 4: Simplify right side
    71,415.64x = 3,901,145,260.57
  5. Step 5: Solve for x
    x = 3,901,145,260.57/71,415.64
  6. Step 6: Final answer
    x = 54,625.92

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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.