Home / 54,278.60-81,415.02-17,339.72

Finding the Fourth Proportional to 54,278.60, 81,415.02 and 17,339.72

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Solution

The fourth proportional to 54,278.60, 81,415.02 and 17,339.72 is: 26,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.60 : 81,415.02 = 17,339.72 : x
  2. Step 2: Convert to fraction form
    54,278.60/81,415.02 = 17,339.72/x
  3. Step 3: Cross multiply
    54,278.60x = 81,415.02 × 17,339.72
  4. Step 4: Simplify right side
    54,278.60x = 1,411,713,650.59
  5. Step 5: Solve for x
    x = 1,411,713,650.59/54,278.60
  6. Step 6: Final answer
    x = 26,008.66

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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.