Home / 21,656.06-32,536.12-20,461.18

Finding the Fourth Proportional to 21,656.06, 32,536.12 and 20,461.18

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Solution

The fourth proportional to 21,656.06, 32,536.12 and 20,461.18 is: 30,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.06 : 32,536.12 = 20,461.18 : x
  2. Step 2: Convert to fraction form
    21,656.06/32,536.12 = 20,461.18/x
  3. Step 3: Cross multiply
    21,656.06x = 32,536.12 × 20,461.18
  4. Step 4: Simplify right side
    21,656.06x = 665,727,407.82
  5. Step 5: Solve for x
    x = 665,727,407.82/21,656.06
  6. Step 6: Final answer
    x = 30,740.93

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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.