Home / 51,026.28-70,417.79-30,886.85

Finding the Fourth Proportional to 51,026.28, 70,417.79 and 30,886.85

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Solution

The fourth proportional to 51,026.28, 70,417.79 and 30,886.85 is: 42,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,026.28 : 70,417.79 = 30,886.85 : x
  2. Step 2: Convert to fraction form
    51,026.28/70,417.79 = 30,886.85/x
  3. Step 3: Cross multiply
    51,026.28x = 70,417.79 × 30,886.85
  4. Step 4: Simplify right side
    51,026.28x = 2,174,983,717.06
  5. Step 5: Solve for x
    x = 2,174,983,717.06/51,026.28
  6. Step 6: Final answer
    x = 42,624.78

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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.