Home / 55,433.08-83,182.43-20,397.34

Finding the Fourth Proportional to 55,433.08, 83,182.43 and 20,397.34

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Solution

The fourth proportional to 55,433.08, 83,182.43 and 20,397.34 is: 30,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433.08 : 83,182.43 = 20,397.34 : x
  2. Step 2: Convert to fraction form
    55,433.08/83,182.43 = 20,397.34/x
  3. Step 3: Cross multiply
    55,433.08x = 83,182.43 × 20,397.34
  4. Step 4: Simplify right side
    55,433.08x = 1,696,700,306.74
  5. Step 5: Solve for x
    x = 1,696,700,306.74/55,433.08
  6. Step 6: Final answer
    x = 30,608.08

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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.