Home / 71,437.08-98,585.46-39,608.94

Finding the Fourth Proportional to 71,437.08, 98,585.46 and 39,608.94

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Solution

The fourth proportional to 71,437.08, 98,585.46 and 39,608.94 is: 54,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,437.08 : 98,585.46 = 39,608.94 : x
  2. Step 2: Convert to fraction form
    71,437.08/98,585.46 = 39,608.94/x
  3. Step 3: Cross multiply
    71,437.08x = 98,585.46 × 39,608.94
  4. Step 4: Simplify right side
    71,437.08x = 3,904,865,570.01
  5. Step 5: Solve for x
    x = 3,904,865,570.01/71,437.08
  6. Step 6: Final answer
    x = 54,661.61

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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.