Home / 42,837.35-64,256.01-11,672.60

Finding the Fourth Proportional to 42,837.35, 64,256.01 and 11,672.60

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Solution

The fourth proportional to 42,837.35, 64,256.01 and 11,672.60 is: 17,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.35 : 64,256.01 = 11,672.60 : x
  2. Step 2: Convert to fraction form
    42,837.35/64,256.01 = 11,672.60/x
  3. Step 3: Cross multiply
    42,837.35x = 64,256.01 × 11,672.60
  4. Step 4: Simplify right side
    42,837.35x = 750,034,702.33
  5. Step 5: Solve for x
    x = 750,034,702.33/42,837.35
  6. Step 6: Final answer
    x = 17,508.90

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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.