Home / 42,832.47-64,240.97-11,660.43

Finding the Fourth Proportional to 42,832.47, 64,240.97 and 11,660.43

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Solution

The fourth proportional to 42,832.47, 64,240.97 and 11,660.43 is: 17,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.47 : 64,240.97 = 11,660.43 : x
  2. Step 2: Convert to fraction form
    42,832.47/64,240.97 = 11,660.43/x
  3. Step 3: Cross multiply
    42,832.47x = 64,240.97 × 11,660.43
  4. Step 4: Simplify right side
    42,832.47x = 749,077,275.51
  5. Step 5: Solve for x
    x = 749,077,275.51/42,832.47
  6. Step 6: Final answer
    x = 17,488.54

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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.