Home / 74,254.17-111,406.77-21,671.40

Finding the Fourth Proportional to 74,254.17, 111,406.77 and 21,671.40

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Solution

The fourth proportional to 74,254.17, 111,406.77 and 21,671.40 is: 32,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.17 : 111,406.77 = 21,671.40 : x
  2. Step 2: Convert to fraction form
    74,254.17/111,406.77 = 21,671.40/x
  3. Step 3: Cross multiply
    74,254.17x = 111,406.77 × 21,671.40
  4. Step 4: Simplify right side
    74,254.17x = 2,414,340,675.38
  5. Step 5: Solve for x
    x = 2,414,340,675.38/74,254.17
  6. Step 6: Final answer
    x = 32,514.55

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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.