Home / 48,099.80-66,386.85-31,718.18

Finding the Fourth Proportional to 48,099.80, 66,386.85 and 31,718.18

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Solution

The fourth proportional to 48,099.80, 66,386.85 and 31,718.18 is: 43,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,099.80 : 66,386.85 = 31,718.18 : x
  2. Step 2: Convert to fraction form
    48,099.80/66,386.85 = 31,718.18/x
  3. Step 3: Cross multiply
    48,099.80x = 66,386.85 × 31,718.18
  4. Step 4: Simplify right side
    48,099.80x = 2,105,670,057.93
  5. Step 5: Solve for x
    x = 2,105,670,057.93/48,099.80
  6. Step 6: Final answer
    x = 43,777.11

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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.