Home / 40,117.65-55,365.45-22,214.31

Finding the Fourth Proportional to 40,117.65, 55,365.45 and 22,214.31

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Solution

The fourth proportional to 40,117.65, 55,365.45 and 22,214.31 is: 30,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.65 : 55,365.45 = 22,214.31 : x
  2. Step 2: Convert to fraction form
    40,117.65/55,365.45 = 22,214.31/x
  3. Step 3: Cross multiply
    40,117.65x = 55,365.45 × 22,214.31
  4. Step 4: Simplify right side
    40,117.65x = 1,229,905,269.59
  5. Step 5: Solve for x
    x = 1,229,905,269.59/40,117.65
  6. Step 6: Final answer
    x = 30,657.46

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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.