Home / 47,722.72-71,574.36-18,130.18

Finding the Fourth Proportional to 47,722.72, 71,574.36 and 18,130.18

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Solution

The fourth proportional to 47,722.72, 71,574.36 and 18,130.18 is: 27,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722.72 : 71,574.36 = 18,130.18 : x
  2. Step 2: Convert to fraction form
    47,722.72/71,574.36 = 18,130.18/x
  3. Step 3: Cross multiply
    47,722.72x = 71,574.36 × 18,130.18
  4. Step 4: Simplify right side
    47,722.72x = 1,297,656,030.18
  5. Step 5: Solve for x
    x = 1,297,656,030.18/47,722.72
  6. Step 6: Final answer
    x = 27,191.58

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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.