Home / 48,301.38-72,431.99-18,702.16

Finding the Fourth Proportional to 48,301.38, 72,431.99 and 18,702.16

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Solution

The fourth proportional to 48,301.38, 72,431.99 and 18,702.16 is: 28,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.38 : 72,431.99 = 18,702.16 : x
  2. Step 2: Convert to fraction form
    48,301.38/72,431.99 = 18,702.16/x
  3. Step 3: Cross multiply
    48,301.38x = 72,431.99 × 18,702.16
  4. Step 4: Simplify right side
    48,301.38x = 1,354,634,461.64
  5. Step 5: Solve for x
    x = 1,354,634,461.64/48,301.38
  6. Step 6: Final answer
    x = 28,045.46

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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.