Home / 48,072.15-72,134.10-20,011.59

Finding the Fourth Proportional to 48,072.15, 72,134.10 and 20,011.59

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Solution

The fourth proportional to 48,072.15, 72,134.10 and 20,011.59 is: 30,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.15 : 72,134.10 = 20,011.59 : x
  2. Step 2: Convert to fraction form
    48,072.15/72,134.10 = 20,011.59/x
  3. Step 3: Cross multiply
    48,072.15x = 72,134.10 × 20,011.59
  4. Step 4: Simplify right side
    48,072.15x = 1,443,518,034.22
  5. Step 5: Solve for x
    x = 1,443,518,034.22/48,072.15
  6. Step 6: Final answer
    x = 30,028.16

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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.