Home / 71,215.61-98,273.55-38,943.83

Finding the Fourth Proportional to 71,215.61, 98,273.55 and 38,943.83

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Solution

The fourth proportional to 71,215.61, 98,273.55 and 38,943.83 is: 53,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215.61 : 98,273.55 = 38,943.83 : x
  2. Step 2: Convert to fraction form
    71,215.61/98,273.55 = 38,943.83/x
  3. Step 3: Cross multiply
    71,215.61x = 98,273.55 × 38,943.83
  4. Step 4: Simplify right side
    71,215.61x = 3,827,148,424.70
  5. Step 5: Solve for x
    x = 3,827,148,424.70/71,215.61
  6. Step 6: Final answer
    x = 53,740.30

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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.