Home / 61,189.02-84,432.78-34,331.45

Finding the Fourth Proportional to 61,189.02, 84,432.78 and 34,331.45

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Solution

The fourth proportional to 61,189.02, 84,432.78 and 34,331.45 is: 47,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.02 : 84,432.78 = 34,331.45 : x
  2. Step 2: Convert to fraction form
    61,189.02/84,432.78 = 34,331.45/x
  3. Step 3: Cross multiply
    61,189.02x = 84,432.78 × 34,331.45
  4. Step 4: Simplify right side
    61,189.02x = 2,898,699,342.77
  5. Step 5: Solve for x
    x = 2,898,699,342.77/61,189.02
  6. Step 6: Final answer
    x = 47,372.87

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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.