Home / 40,338.77-55,663.23-22,430.88

Finding the Fourth Proportional to 40,338.77, 55,663.23 and 22,430.88

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Solution

The fourth proportional to 40,338.77, 55,663.23 and 22,430.88 is: 30,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.77 : 55,663.23 = 22,430.88 : x
  2. Step 2: Convert to fraction form
    40,338.77/55,663.23 = 22,430.88/x
  3. Step 3: Cross multiply
    40,338.77x = 55,663.23 × 22,430.88
  4. Step 4: Simplify right side
    40,338.77x = 1,248,575,316.66
  5. Step 5: Solve for x
    x = 1,248,575,316.66/40,338.77
  6. Step 6: Final answer
    x = 30,952.24

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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.