Home / 48,180.05-72,264.88-12,644.93

Finding the Fourth Proportional to 48,180.05, 72,264.88 and 12,644.93

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Solution

The fourth proportional to 48,180.05, 72,264.88 and 12,644.93 is: 18,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,180.05 : 72,264.88 = 12,644.93 : x
  2. Step 2: Convert to fraction form
    48,180.05/72,264.88 = 12,644.93/x
  3. Step 3: Cross multiply
    48,180.05x = 72,264.88 × 12,644.93
  4. Step 4: Simplify right side
    48,180.05x = 913,784,349.06
  5. Step 5: Solve for x
    x = 913,784,349.06/48,180.05
  6. Step 6: Final answer
    x = 18,966.03

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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.