Home / 51,392.10-70,917.15-31,246.17

Finding the Fourth Proportional to 51,392.10, 70,917.15 and 31,246.17

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Solution

The fourth proportional to 51,392.10, 70,917.15 and 31,246.17 is: 43,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.10 : 70,917.15 = 31,246.17 : x
  2. Step 2: Convert to fraction form
    51,392.10/70,917.15 = 31,246.17/x
  3. Step 3: Cross multiply
    51,392.10x = 70,917.15 × 31,246.17
  4. Step 4: Simplify right side
    51,392.10x = 2,215,889,324.82
  5. Step 5: Solve for x
    x = 2,215,889,324.82/51,392.10
  6. Step 6: Final answer
    x = 43,117.31

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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.