Home / 51,235.76-70,705.19-28,574.78

Finding the Fourth Proportional to 51,235.76, 70,705.19 and 28,574.78

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Solution

The fourth proportional to 51,235.76, 70,705.19 and 28,574.78 is: 39,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235.76 : 70,705.19 = 28,574.78 : x
  2. Step 2: Convert to fraction form
    51,235.76/70,705.19 = 28,574.78/x
  3. Step 3: Cross multiply
    51,235.76x = 70,705.19 × 28,574.78
  4. Step 4: Simplify right side
    51,235.76x = 2,020,384,967.02
  5. Step 5: Solve for x
    x = 2,020,384,967.02/51,235.76
  6. Step 6: Final answer
    x = 39,433.11

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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.