Home / 48,215.64-72,335.01-20,120.07

Finding the Fourth Proportional to 48,215.64, 72,335.01 and 20,120.07

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Solution

The fourth proportional to 48,215.64, 72,335.01 and 20,120.07 is: 30,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,215.64 : 72,335.01 = 20,120.07 : x
  2. Step 2: Convert to fraction form
    48,215.64/72,335.01 = 20,120.07/x
  3. Step 3: Cross multiply
    48,215.64x = 72,335.01 × 20,120.07
  4. Step 4: Simplify right side
    48,215.64x = 1,455,385,404.47
  5. Step 5: Solve for x
    x = 1,455,385,404.47/48,215.64
  6. Step 6: Final answer
    x = 30,184.92

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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.