Home / 40,430.76-55,775.32-26,278.44

Finding the Fourth Proportional to 40,430.76, 55,775.32 and 26,278.44

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Solution

The fourth proportional to 40,430.76, 55,775.32 and 26,278.44 is: 36,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.76 : 55,775.32 = 26,278.44 : x
  2. Step 2: Convert to fraction form
    40,430.76/55,775.32 = 26,278.44/x
  3. Step 3: Cross multiply
    40,430.76x = 55,775.32 × 26,278.44
  4. Step 4: Simplify right side
    40,430.76x = 1,465,688,400.10
  5. Step 5: Solve for x
    x = 1,465,688,400.10/40,430.76
  6. Step 6: Final answer
    x = 36,251.81

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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.