Home / 31,426.16-47,139.88-25,157.10

Finding the Fourth Proportional to 31,426.16, 47,139.88 and 25,157.10

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Solution

The fourth proportional to 31,426.16, 47,139.88 and 25,157.10 is: 37,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.16 : 47,139.88 = 25,157.10 : x
  2. Step 2: Convert to fraction form
    31,426.16/47,139.88 = 25,157.10/x
  3. Step 3: Cross multiply
    31,426.16x = 47,139.88 × 25,157.10
  4. Step 4: Simplify right side
    31,426.16x = 1,185,902,675.15
  5. Step 5: Solve for x
    x = 1,185,902,675.15/31,426.16
  6. Step 6: Final answer
    x = 37,736.16

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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.