Home / 48,445.78-72,637.47-20,384.02

Finding the Fourth Proportional to 48,445.78, 72,637.47 and 20,384.02

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Solution

The fourth proportional to 48,445.78, 72,637.47 and 20,384.02 is: 30,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.78 : 72,637.47 = 20,384.02 : x
  2. Step 2: Convert to fraction form
    48,445.78/72,637.47 = 20,384.02/x
  3. Step 3: Cross multiply
    48,445.78x = 72,637.47 × 20,384.02
  4. Step 4: Simplify right side
    48,445.78x = 1,480,643,641.23
  5. Step 5: Solve for x
    x = 1,480,643,641.23/48,445.78
  6. Step 6: Final answer
    x = 30,562.90

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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.