Home / 40,278.06-55,582.16-22,374.20

Finding the Fourth Proportional to 40,278.06, 55,582.16 and 22,374.20

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Solution

The fourth proportional to 40,278.06, 55,582.16 and 22,374.20 is: 30,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.06 : 55,582.16 = 22,374.20 : x
  2. Step 2: Convert to fraction form
    40,278.06/55,582.16 = 22,374.20/x
  3. Step 3: Cross multiply
    40,278.06x = 55,582.16 × 22,374.20
  4. Step 4: Simplify right side
    40,278.06x = 1,243,606,364.27
  5. Step 5: Solve for x
    x = 1,243,606,364.27/40,278.06
  6. Step 6: Final answer
    x = 30,875.53

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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.