Home / 71,024.20-98,010.06-40,788.20

Finding the Fourth Proportional to 71,024.20, 98,010.06 and 40,788.20

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Solution

The fourth proportional to 71,024.20, 98,010.06 and 40,788.20 is: 56,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.20 : 98,010.06 = 40,788.20 : x
  2. Step 2: Convert to fraction form
    71,024.20/98,010.06 = 40,788.20/x
  3. Step 3: Cross multiply
    71,024.20x = 98,010.06 × 40,788.20
  4. Step 4: Simplify right side
    71,024.20x = 3,997,653,929.29
  5. Step 5: Solve for x
    x = 3,997,653,929.29/71,024.20
  6. Step 6: Final answer
    x = 56,285.80

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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.