Home / 71,363.31-98,476.40-39,529.50

Finding the Fourth Proportional to 71,363.31, 98,476.40 and 39,529.50

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Solution

The fourth proportional to 71,363.31, 98,476.40 and 39,529.50 is: 54,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,363.31 : 98,476.40 = 39,529.50 : x
  2. Step 2: Convert to fraction form
    71,363.31/98,476.40 = 39,529.50/x
  3. Step 3: Cross multiply
    71,363.31x = 98,476.40 × 39,529.50
  4. Step 4: Simplify right side
    71,363.31x = 3,892,722,656.15
  5. Step 5: Solve for x
    x = 3,892,722,656.15/71,363.31
  6. Step 6: Final answer
    x = 54,547.96

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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.