Home / 42,190.18-63,235.59-17,214.64

Finding the Fourth Proportional to 42,190.18, 63,235.59 and 17,214.64

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Solution

The fourth proportional to 42,190.18, 63,235.59 and 17,214.64 is: 25,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.18 : 63,235.59 = 17,214.64 : x
  2. Step 2: Convert to fraction form
    42,190.18/63,235.59 = 17,214.64/x
  3. Step 3: Cross multiply
    42,190.18x = 63,235.59 × 17,214.64
  4. Step 4: Simplify right side
    42,190.18x = 1,088,577,917.04
  5. Step 5: Solve for x
    x = 1,088,577,917.04/42,190.18
  6. Step 6: Final answer
    x = 25,801.69

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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.