Home / 48,016.05-66,248.87-31,020.98

Finding the Fourth Proportional to 48,016.05, 66,248.87 and 31,020.98

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Solution

The fourth proportional to 48,016.05, 66,248.87 and 31,020.98 is: 42,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,016.05 : 66,248.87 = 31,020.98 : x
  2. Step 2: Convert to fraction form
    48,016.05/66,248.87 = 31,020.98/x
  3. Step 3: Cross multiply
    48,016.05x = 66,248.87 × 31,020.98
  4. Step 4: Simplify right side
    48,016.05x = 2,055,104,384.94
  5. Step 5: Solve for x
    x = 2,055,104,384.94/48,016.05
  6. Step 6: Final answer
    x = 42,800.36

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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.