Home / 47,122.19-70,707.20-31,338.20

Finding the Fourth Proportional to 47,122.19, 70,707.20 and 31,338.20

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Solution

The fourth proportional to 47,122.19, 70,707.20 and 31,338.20 is: 47,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.19 : 70,707.20 = 31,338.20 : x
  2. Step 2: Convert to fraction form
    47,122.19/70,707.20 = 31,338.20/x
  3. Step 3: Cross multiply
    47,122.19x = 70,707.20 × 31,338.20
  4. Step 4: Simplify right side
    47,122.19x = 2,215,835,864.81
  5. Step 5: Solve for x
    x = 2,215,835,864.81/47,122.19
  6. Step 6: Final answer
    x = 47,023.20

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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.