Home / 54,267.72-74,888.79-31,610.40

Finding the Fourth Proportional to 54,267.72, 74,888.79 and 31,610.40

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Solution

The fourth proportional to 54,267.72, 74,888.79 and 31,610.40 is: 43,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,267.72 : 74,888.79 = 31,610.40 : x
  2. Step 2: Convert to fraction form
    54,267.72/74,888.79 = 31,610.40/x
  3. Step 3: Cross multiply
    54,267.72x = 74,888.79 × 31,610.40
  4. Step 4: Simplify right side
    54,267.72x = 2,367,264,607.42
  5. Step 5: Solve for x
    x = 2,367,264,607.42/54,267.72
  6. Step 6: Final answer
    x = 43,621.97

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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.