Home / 40,718.06-61,056.45-14,419.10

Finding the Fourth Proportional to 40,718.06, 61,056.45 and 14,419.10

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Solution

The fourth proportional to 40,718.06, 61,056.45 and 14,419.10 is: 21,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.06 : 61,056.45 = 14,419.10 : x
  2. Step 2: Convert to fraction form
    40,718.06/61,056.45 = 14,419.10/x
  3. Step 3: Cross multiply
    40,718.06x = 61,056.45 × 14,419.10
  4. Step 4: Simplify right side
    40,718.06x = 880,379,058.20
  5. Step 5: Solve for x
    x = 880,379,058.20/40,718.06
  6. Step 6: Final answer
    x = 21,621.34

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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.