Home / 55,432.86-76,494.60-31,557.30

Finding the Fourth Proportional to 55,432.86, 76,494.60 and 31,557.30

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Solution

The fourth proportional to 55,432.86, 76,494.60 and 31,557.30 is: 43,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.86 : 76,494.60 = 31,557.30 : x
  2. Step 2: Convert to fraction form
    55,432.86/76,494.60 = 31,557.30/x
  3. Step 3: Cross multiply
    55,432.86x = 76,494.60 × 31,557.30
  4. Step 4: Simplify right side
    55,432.86x = 2,413,963,040.58
  5. Step 5: Solve for x
    x = 2,413,963,040.58/55,432.86
  6. Step 6: Final answer
    x = 43,547.51

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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.