Home / 42,695.58-64,328.03-38,540.28

Finding the Fourth Proportional to 42,695.58, 64,328.03 and 38,540.28

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Solution

The fourth proportional to 42,695.58, 64,328.03 and 38,540.28 is: 58,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,695.58 : 64,328.03 = 38,540.28 : x
  2. Step 2: Convert to fraction form
    42,695.58/64,328.03 = 38,540.28/x
  3. Step 3: Cross multiply
    42,695.58x = 64,328.03 × 38,540.28
  4. Step 4: Simplify right side
    42,695.58x = 2,479,220,095.35
  5. Step 5: Solve for x
    x = 2,479,220,095.35/42,695.58
  6. Step 6: Final answer
    x = 58,067.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.