Home / 42,328.05-63,436.38-23,616.90

Finding the Fourth Proportional to 42,328.05, 63,436.38 and 23,616.90

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Solution

The fourth proportional to 42,328.05, 63,436.38 and 23,616.90 is: 35,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,328.05 : 63,436.38 = 23,616.90 : x
  2. Step 2: Convert to fraction form
    42,328.05/63,436.38 = 23,616.90/x
  3. Step 3: Cross multiply
    42,328.05x = 63,436.38 × 23,616.90
  4. Step 4: Simplify right side
    42,328.05x = 1,498,170,642.82
  5. Step 5: Solve for x
    x = 1,498,170,642.82/42,328.05
  6. Step 6: Final answer
    x = 35,394.28

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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.