Home / 40,336.05-55,657.20-22,430.60

Finding the Fourth Proportional to 40,336.05, 55,657.20 and 22,430.60

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Solution

The fourth proportional to 40,336.05, 55,657.20 and 22,430.60 is: 30,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.05 : 55,657.20 = 22,430.60 : x
  2. Step 2: Convert to fraction form
    40,336.05/55,657.20 = 22,430.60/x
  3. Step 3: Cross multiply
    40,336.05x = 55,657.20 × 22,430.60
  4. Step 4: Simplify right side
    40,336.05x = 1,248,424,390.32
  5. Step 5: Solve for x
    x = 1,248,424,390.32/40,336.05
  6. Step 6: Final answer
    x = 30,950.59

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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.