Home / 45,686.64-68,432.82-21,959.34

Finding the Fourth Proportional to 45,686.64, 68,432.82 and 21,959.34

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Solution

The fourth proportional to 45,686.64, 68,432.82 and 21,959.34 is: 32,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.64 : 68,432.82 = 21,959.34 : x
  2. Step 2: Convert to fraction form
    45,686.64/68,432.82 = 21,959.34/x
  3. Step 3: Cross multiply
    45,686.64x = 68,432.82 × 21,959.34
  4. Step 4: Simplify right side
    45,686.64x = 1,502,739,561.54
  5. Step 5: Solve for x
    x = 1,502,739,561.54/45,686.64
  6. Step 6: Final answer
    x = 32,892.32

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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.