Home / 39,967.80-55,153.20-22,062.34

Finding the Fourth Proportional to 39,967.80, 55,153.20 and 22,062.34

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Solution

The fourth proportional to 39,967.80, 55,153.20 and 22,062.34 is: 30,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.80 : 55,153.20 = 22,062.34 : x
  2. Step 2: Convert to fraction form
    39,967.80/55,153.20 = 22,062.34/x
  3. Step 3: Cross multiply
    39,967.80x = 55,153.20 × 22,062.34
  4. Step 4: Simplify right side
    39,967.80x = 1,216,808,650.49
  5. Step 5: Solve for x
    x = 1,216,808,650.49/39,967.80
  6. Step 6: Final answer
    x = 30,444.72

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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.