Home / 36,340.20-54,510.30-31,091.40

Finding the Fourth Proportional to 36,340.20, 54,510.30 and 31,091.40

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Solution

The fourth proportional to 36,340.20, 54,510.30 and 31,091.40 is: 46,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,340.20 : 54,510.30 = 31,091.40 : x
  2. Step 2: Convert to fraction form
    36,340.20/54,510.30 = 31,091.40/x
  3. Step 3: Cross multiply
    36,340.20x = 54,510.30 × 31,091.40
  4. Step 4: Simplify right side
    36,340.20x = 1,694,801,541.42
  5. Step 5: Solve for x
    x = 1,694,801,541.42/36,340.20
  6. Step 6: Final answer
    x = 46,637.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.