Home / 54,024.21-74,561.45-38,966.85

Finding the Fourth Proportional to 54,024.21, 74,561.45 and 38,966.85

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Solution

The fourth proportional to 54,024.21, 74,561.45 and 38,966.85 is: 53,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,024.21 : 74,561.45 = 38,966.85 : x
  2. Step 2: Convert to fraction form
    54,024.21/74,561.45 = 38,966.85/x
  3. Step 3: Cross multiply
    54,024.21x = 74,561.45 × 38,966.85
  4. Step 4: Simplify right side
    54,024.21x = 2,905,424,643.10
  5. Step 5: Solve for x
    x = 2,905,424,643.10/54,024.21
  6. Step 6: Final answer
    x = 53,780.05

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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.