Home / 31,368.20-47,052.30-15,816.20

Finding the Fourth Proportional to 31,368.20, 47,052.30 and 15,816.20

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Solution

The fourth proportional to 31,368.20, 47,052.30 and 15,816.20 is: 23,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.20 : 47,052.30 = 15,816.20 : x
  2. Step 2: Convert to fraction form
    31,368.20/47,052.30 = 15,816.20/x
  3. Step 3: Cross multiply
    31,368.20x = 47,052.30 × 15,816.20
  4. Step 4: Simplify right side
    31,368.20x = 744,188,587.26
  5. Step 5: Solve for x
    x = 744,188,587.26/31,368.20
  6. Step 6: Final answer
    x = 23,724.30

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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.