Home / 35,045.28-48,350.05-20,702.03

Finding the Fourth Proportional to 35,045.28, 48,350.05 and 20,702.03

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Solution

The fourth proportional to 35,045.28, 48,350.05 and 20,702.03 is: 28,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,045.28 : 48,350.05 = 20,702.03 : x
  2. Step 2: Convert to fraction form
    35,045.28/48,350.05 = 20,702.03/x
  3. Step 3: Cross multiply
    35,045.28x = 48,350.05 × 20,702.03
  4. Step 4: Simplify right side
    35,045.28x = 1,000,943,892.10
  5. Step 5: Solve for x
    x = 1,000,943,892.10/35,045.28
  6. Step 6: Final answer
    x = 28,561.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.