Home / 54,130.68-81,206.96-22,543.11

Finding the Fourth Proportional to 54,130.68, 81,206.96 and 22,543.11

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Solution

The fourth proportional to 54,130.68, 81,206.96 and 22,543.11 is: 33,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.68 : 81,206.96 = 22,543.11 : x
  2. Step 2: Convert to fraction form
    54,130.68/81,206.96 = 22,543.11/x
  3. Step 3: Cross multiply
    54,130.68x = 81,206.96 × 22,543.11
  4. Step 4: Simplify right side
    54,130.68x = 1,830,657,319.33
  5. Step 5: Solve for x
    x = 1,830,657,319.33/54,130.68
  6. Step 6: Final answer
    x = 33,819.22

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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.