Home / 51,332.40-70,827.48-31,200.12

Finding the Fourth Proportional to 51,332.40, 70,827.48 and 31,200.12

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Solution

The fourth proportional to 51,332.40, 70,827.48 and 31,200.12 is: 43,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.40 : 70,827.48 = 31,200.12 : x
  2. Step 2: Convert to fraction form
    51,332.40/70,827.48 = 31,200.12/x
  3. Step 3: Cross multiply
    51,332.40x = 70,827.48 × 31,200.12
  4. Step 4: Simplify right side
    51,332.40x = 2,209,825,875.30
  5. Step 5: Solve for x
    x = 2,209,825,875.30/51,332.40
  6. Step 6: Final answer
    x = 43,049.34

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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.