Home / 21,531.52-32,303.45-9,045.12

Finding the Fourth Proportional to 21,531.52, 32,303.45 and 9,045.12

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Solution

The fourth proportional to 21,531.52, 32,303.45 and 9,045.12 is: 13,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.52 : 32,303.45 = 9,045.12 : x
  2. Step 2: Convert to fraction form
    21,531.52/32,303.45 = 9,045.12/x
  3. Step 3: Cross multiply
    21,531.52x = 32,303.45 × 9,045.12
  4. Step 4: Simplify right side
    21,531.52x = 292,188,581.66
  5. Step 5: Solve for x
    x = 292,188,581.66/21,531.52
  6. Step 6: Final answer
    x = 13,570.27

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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.