Home / 55,557.38-76,671.02-30,406.88

Finding the Fourth Proportional to 55,557.38, 76,671.02 and 30,406.88

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Solution

The fourth proportional to 55,557.38, 76,671.02 and 30,406.88 is: 41,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.38 : 76,671.02 = 30,406.88 : x
  2. Step 2: Convert to fraction form
    55,557.38/76,671.02 = 30,406.88/x
  3. Step 3: Cross multiply
    55,557.38x = 76,671.02 × 30,406.88
  4. Step 4: Simplify right side
    55,557.38x = 2,331,326,504.62
  5. Step 5: Solve for x
    x = 2,331,326,504.62/55,557.38
  6. Step 6: Final answer
    x = 41,962.50

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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.