Home / 42,342.35-63,468.72-15,671.16

Finding the Fourth Proportional to 42,342.35, 63,468.72 and 15,671.16

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Solution

The fourth proportional to 42,342.35, 63,468.72 and 15,671.16 is: 23,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.35 : 63,468.72 = 15,671.16 : x
  2. Step 2: Convert to fraction form
    42,342.35/63,468.72 = 15,671.16/x
  3. Step 3: Cross multiply
    42,342.35x = 63,468.72 × 15,671.16
  4. Step 4: Simplify right side
    42,342.35x = 994,628,466.12
  5. Step 5: Solve for x
    x = 994,628,466.12/42,342.35
  6. Step 6: Final answer
    x = 23,490.16

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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.