Home / 48,143.76-72,187.56-20,030.13

Finding the Fourth Proportional to 48,143.76, 72,187.56 and 20,030.13

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Solution

The fourth proportional to 48,143.76, 72,187.56 and 20,030.13 is: 30,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143.76 : 72,187.56 = 20,030.13 : x
  2. Step 2: Convert to fraction form
    48,143.76/72,187.56 = 20,030.13/x
  3. Step 3: Cross multiply
    48,143.76x = 72,187.56 × 20,030.13
  4. Step 4: Simplify right side
    48,143.76x = 1,445,926,015.59
  5. Step 5: Solve for x
    x = 1,445,926,015.59/48,143.76
  6. Step 6: Final answer
    x = 30,033.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.