Home / 55,432.48-76,497.16-30,281.98

Finding the Fourth Proportional to 55,432.48, 76,497.16 and 30,281.98

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Solution

The fourth proportional to 55,432.48, 76,497.16 and 30,281.98 is: 41,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.48 : 76,497.16 = 30,281.98 : x
  2. Step 2: Convert to fraction form
    55,432.48/76,497.16 = 30,281.98/x
  3. Step 3: Cross multiply
    55,432.48x = 76,497.16 × 30,281.98
  4. Step 4: Simplify right side
    55,432.48x = 2,316,485,187.29
  5. Step 5: Solve for x
    x = 2,316,485,187.29/55,432.48
  6. Step 6: Final answer
    x = 41,789.31

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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.