Home / 32,615.72-45,032.12-22,020.20

Finding the Fourth Proportional to 32,615.72, 45,032.12 and 22,020.20

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Solution

The fourth proportional to 32,615.72, 45,032.12 and 22,020.20 is: 30,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.72 : 45,032.12 = 22,020.20 : x
  2. Step 2: Convert to fraction form
    32,615.72/45,032.12 = 22,020.20/x
  3. Step 3: Cross multiply
    32,615.72x = 45,032.12 × 22,020.20
  4. Step 4: Simplify right side
    32,615.72x = 991,616,288.82
  5. Step 5: Solve for x
    x = 991,616,288.82/32,615.72
  6. Step 6: Final answer
    x = 30,403.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.