Home / 48,661.08-67,165.02-31,707.60

Finding the Fourth Proportional to 48,661.08, 67,165.02 and 31,707.60

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Solution

The fourth proportional to 48,661.08, 67,165.02 and 31,707.60 is: 43,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,661.08 : 67,165.02 = 31,707.60 : x
  2. Step 2: Convert to fraction form
    48,661.08/67,165.02 = 31,707.60/x
  3. Step 3: Cross multiply
    48,661.08x = 67,165.02 × 31,707.60
  4. Step 4: Simplify right side
    48,661.08x = 2,129,641,588.15
  5. Step 5: Solve for x
    x = 2,129,641,588.15/48,661.08
  6. Step 6: Final answer
    x = 43,764.78

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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.