Home / 43,036.32-64,531.44-18,398.88

Finding the Fourth Proportional to 43,036.32, 64,531.44 and 18,398.88

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Solution

The fourth proportional to 43,036.32, 64,531.44 and 18,398.88 is: 27,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.32 : 64,531.44 = 18,398.88 : x
  2. Step 2: Convert to fraction form
    43,036.32/64,531.44 = 18,398.88/x
  3. Step 3: Cross multiply
    43,036.32x = 64,531.44 × 18,398.88
  4. Step 4: Simplify right side
    43,036.32x = 1,187,306,220.79
  5. Step 5: Solve for x
    x = 1,187,306,220.79/43,036.32
  6. Step 6: Final answer
    x = 27,588.47

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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.