Home / 42,881.52-64,326.60-11,717.04

Finding the Fourth Proportional to 42,881.52, 64,326.60 and 11,717.04

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Solution

The fourth proportional to 42,881.52, 64,326.60 and 11,717.04 is: 17,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,881.52 : 64,326.60 = 11,717.04 : x
  2. Step 2: Convert to fraction form
    42,881.52/64,326.60 = 11,717.04/x
  3. Step 3: Cross multiply
    42,881.52x = 64,326.60 × 11,717.04
  4. Step 4: Simplify right side
    42,881.52x = 753,717,345.26
  5. Step 5: Solve for x
    x = 753,717,345.26/42,881.52
  6. Step 6: Final answer
    x = 17,576.74

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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.