Home / 47,145.28-70,737.10-30,297.18

Finding the Fourth Proportional to 47,145.28, 70,737.10 and 30,297.18

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Solution

The fourth proportional to 47,145.28, 70,737.10 and 30,297.18 is: 45,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.28 : 70,737.10 = 30,297.18 : x
  2. Step 2: Convert to fraction form
    47,145.28/70,737.10 = 30,297.18/x
  3. Step 3: Cross multiply
    47,145.28x = 70,737.10 × 30,297.18
  4. Step 4: Simplify right side
    47,145.28x = 2,143,134,651.38
  5. Step 5: Solve for x
    x = 2,143,134,651.38/47,145.28
  6. Step 6: Final answer
    x = 45,458.10

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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.