Home / 42,853.46-64,259.12-17,886.02

Finding the Fourth Proportional to 42,853.46, 64,259.12 and 17,886.02

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Solution

The fourth proportional to 42,853.46, 64,259.12 and 17,886.02 is: 26,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,853.46 : 64,259.12 = 17,886.02 : x
  2. Step 2: Convert to fraction form
    42,853.46/64,259.12 = 17,886.02/x
  3. Step 3: Cross multiply
    42,853.46x = 64,259.12 × 17,886.02
  4. Step 4: Simplify right side
    42,853.46x = 1,149,339,628.92
  5. Step 5: Solve for x
    x = 1,149,339,628.92/42,853.46
  6. Step 6: Final answer
    x = 26,820.23

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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.