Home / 51,237.76-70,707.95-28,576.78

Finding the Fourth Proportional to 51,237.76, 70,707.95 and 28,576.78

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Solution

The fourth proportional to 51,237.76, 70,707.95 and 28,576.78 is: 39,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.76 : 70,707.95 = 28,576.78 : x
  2. Step 2: Convert to fraction form
    51,237.76/70,707.95 = 28,576.78/x
  3. Step 3: Cross multiply
    51,237.76x = 70,707.95 × 28,576.78
  4. Step 4: Simplify right side
    51,237.76x = 2,020,605,531.40
  5. Step 5: Solve for x
    x = 2,020,605,531.40/51,237.76
  6. Step 6: Final answer
    x = 39,435.87

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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.