Home / 40,335.09-55,663.71-22,430.85

Finding the Fourth Proportional to 40,335.09, 55,663.71 and 22,430.85

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Solution

The fourth proportional to 40,335.09, 55,663.71 and 22,430.85 is: 30,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.09 : 55,663.71 = 22,430.85 : x
  2. Step 2: Convert to fraction form
    40,335.09/55,663.71 = 22,430.85/x
  3. Step 3: Cross multiply
    40,335.09x = 55,663.71 × 22,430.85
  4. Step 4: Simplify right side
    40,335.09x = 1,248,584,329.45
  5. Step 5: Solve for x
    x = 1,248,584,329.45/40,335.09
  6. Step 6: Final answer
    x = 30,955.29

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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.