Home / 54,693.76-82,024.96-21,390.24

Finding the Fourth Proportional to 54,693.76, 82,024.96 and 21,390.24

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Solution

The fourth proportional to 54,693.76, 82,024.96 and 21,390.24 is: 32,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.76 : 82,024.96 = 21,390.24 : x
  2. Step 2: Convert to fraction form
    54,693.76/82,024.96 = 21,390.24/x
  3. Step 3: Cross multiply
    54,693.76x = 82,024.96 × 21,390.24
  4. Step 4: Simplify right side
    54,693.76x = 1,754,533,580.39
  5. Step 5: Solve for x
    x = 1,754,533,580.39/54,693.76
  6. Step 6: Final answer
    x = 32,079.23

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1.5x scale

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.