Home / 42,455.64-63,659.04-17,512.84

Finding the Fourth Proportional to 42,455.64, 63,659.04 and 17,512.84

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Solution

The fourth proportional to 42,455.64, 63,659.04 and 17,512.84 is: 26,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.64 : 63,659.04 = 17,512.84 : x
  2. Step 2: Convert to fraction form
    42,455.64/63,659.04 = 17,512.84/x
  3. Step 3: Cross multiply
    42,455.64x = 63,659.04 × 17,512.84
  4. Step 4: Simplify right side
    42,455.64x = 1,114,850,582.07
  5. Step 5: Solve for x
    x = 1,114,850,582.07/42,455.64
  6. Step 6: Final answer
    x = 26,259.19

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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.