Home / 39,967.16-55,154.36-22,062.18

Finding the Fourth Proportional to 39,967.16, 55,154.36 and 22,062.18

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Solution

The fourth proportional to 39,967.16, 55,154.36 and 22,062.18 is: 30,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.16 : 55,154.36 = 22,062.18 : x
  2. Step 2: Convert to fraction form
    39,967.16/55,154.36 = 22,062.18/x
  3. Step 3: Cross multiply
    39,967.16x = 55,154.36 × 22,062.18
  4. Step 4: Simplify right side
    39,967.16x = 1,216,825,418.10
  5. Step 5: Solve for x
    x = 1,216,825,418.10/39,967.16
  6. Step 6: Final answer
    x = 30,445.63

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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.