Home / 48,990.02-67,640.87-38,246.99

Finding the Fourth Proportional to 48,990.02, 67,640.87 and 38,246.99

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Solution

The fourth proportional to 48,990.02, 67,640.87 and 38,246.99 is: 52,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.02 : 67,640.87 = 38,246.99 : x
  2. Step 2: Convert to fraction form
    48,990.02/67,640.87 = 38,246.99/x
  3. Step 3: Cross multiply
    48,990.02x = 67,640.87 × 38,246.99
  4. Step 4: Simplify right side
    48,990.02x = 2,587,059,435.89
  5. Step 5: Solve for x
    x = 2,587,059,435.89/48,990.02
  6. Step 6: Final answer
    x = 52,807.89

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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.