Home / 40,426.79-55,787.81-22,520.70

Finding the Fourth Proportional to 40,426.79, 55,787.81 and 22,520.70

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Solution

The fourth proportional to 40,426.79, 55,787.81 and 22,520.70 is: 31,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.79 : 55,787.81 = 22,520.70 : x
  2. Step 2: Convert to fraction form
    40,426.79/55,787.81 = 22,520.70/x
  3. Step 3: Cross multiply
    40,426.79x = 55,787.81 × 22,520.70
  4. Step 4: Simplify right side
    40,426.79x = 1,256,380,420.06
  5. Step 5: Solve for x
    x = 1,256,380,420.06/40,426.79
  6. Step 6: Final answer
    x = 31,077.92

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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.