Home / 51,143.16-70,585.38-31,003.32

Finding the Fourth Proportional to 51,143.16, 70,585.38 and 31,003.32

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Solution

The fourth proportional to 51,143.16, 70,585.38 and 31,003.32 is: 42,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.16 : 70,585.38 = 31,003.32 : x
  2. Step 2: Convert to fraction form
    51,143.16/70,585.38 = 31,003.32/x
  3. Step 3: Cross multiply
    51,143.16x = 70,585.38 × 31,003.32
  4. Step 4: Simplify right side
    51,143.16x = 2,188,381,123.46
  5. Step 5: Solve for x
    x = 2,188,381,123.46/51,143.16
  6. Step 6: Final answer
    x = 42,789.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.