Home / 40,721.56-61,075.98-15,773.20

Finding the Fourth Proportional to 40,721.56, 61,075.98 and 15,773.20

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Solution

The fourth proportional to 40,721.56, 61,075.98 and 15,773.20 is: 23,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.56 : 61,075.98 = 15,773.20 : x
  2. Step 2: Convert to fraction form
    40,721.56/61,075.98 = 15,773.20/x
  3. Step 3: Cross multiply
    40,721.56x = 61,075.98 × 15,773.20
  4. Step 4: Simplify right side
    40,721.56x = 963,363,647.74
  5. Step 5: Solve for x
    x = 963,363,647.74/40,721.56
  6. Step 6: Final answer
    x = 23,657.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.