Home / 51,268.18-70,742.88-28,604.50

Finding the Fourth Proportional to 51,268.18, 70,742.88 and 28,604.50

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Solution

The fourth proportional to 51,268.18, 70,742.88 and 28,604.50 is: 39,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.18 : 70,742.88 = 28,604.50 : x
  2. Step 2: Convert to fraction form
    51,268.18/70,742.88 = 28,604.50/x
  3. Step 3: Cross multiply
    51,268.18x = 70,742.88 × 28,604.50
  4. Step 4: Simplify right side
    51,268.18x = 2,023,564,710.96
  5. Step 5: Solve for x
    x = 2,023,564,710.96/51,268.18
  6. Step 6: Final answer
    x = 39,470.19

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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.