Home / 40,300.31-55,613.31-22,394.45

Finding the Fourth Proportional to 40,300.31, 55,613.31 and 22,394.45

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Solution

The fourth proportional to 40,300.31, 55,613.31 and 22,394.45 is: 30,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.31 : 55,613.31 = 22,394.45 : x
  2. Step 2: Convert to fraction form
    40,300.31/55,613.31 = 22,394.45/x
  3. Step 3: Cross multiply
    40,300.31x = 55,613.31 × 22,394.45
  4. Step 4: Simplify right side
    40,300.31x = 1,245,429,490.13
  5. Step 5: Solve for x
    x = 1,245,429,490.13/40,300.31
  6. Step 6: Final answer
    x = 30,903.72

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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.