Home / 71,268.46-98,350.40-39,437.35

Finding the Fourth Proportional to 71,268.46, 98,350.40 and 39,437.35

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Solution

The fourth proportional to 71,268.46, 98,350.40 and 39,437.35 is: 54,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,268.46 : 98,350.40 = 39,437.35 : x
  2. Step 2: Convert to fraction form
    71,268.46/98,350.40 = 39,437.35/x
  3. Step 3: Cross multiply
    71,268.46x = 98,350.40 × 39,437.35
  4. Step 4: Simplify right side
    71,268.46x = 3,878,679,000.16
  5. Step 5: Solve for x
    x = 3,878,679,000.16/71,268.46
  6. Step 6: Final answer
    x = 54,423.50

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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.