Home / 42,435.48-63,661.38-16,138.17

Finding the Fourth Proportional to 42,435.48, 63,661.38 and 16,138.17

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Solution

The fourth proportional to 42,435.48, 63,661.38 and 16,138.17 is: 24,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,435.48 : 63,661.38 = 16,138.17 : x
  2. Step 2: Convert to fraction form
    42,435.48/63,661.38 = 16,138.17/x
  3. Step 3: Cross multiply
    42,435.48x = 63,661.38 × 16,138.17
  4. Step 4: Simplify right side
    42,435.48x = 1,027,378,172.87
  5. Step 5: Solve for x
    x = 1,027,378,172.87/42,435.48
  6. Step 6: Final answer
    x = 24,210.36

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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.