Home / 54,117.72-81,205.74-40,966.92

Finding the Fourth Proportional to 54,117.72, 81,205.74 and 40,966.92

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Solution

The fourth proportional to 54,117.72, 81,205.74 and 40,966.92 is: 61,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.72 : 81,205.74 = 40,966.92 : x
  2. Step 2: Convert to fraction form
    54,117.72/81,205.74 = 40,966.92/x
  3. Step 3: Cross multiply
    54,117.72x = 81,205.74 × 40,966.92
  4. Step 4: Simplify right side
    54,117.72x = 3,326,749,054.12
  5. Step 5: Solve for x
    x = 3,326,749,054.12/54,117.72
  6. Step 6: Final answer
    x = 61,472.45

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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.