Home / 48,512.79-66,923.15-28,356.50

Finding the Fourth Proportional to 48,512.79, 66,923.15 and 28,356.50

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Solution

The fourth proportional to 48,512.79, 66,923.15 and 28,356.50 is: 39,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512.79 : 66,923.15 = 28,356.50 : x
  2. Step 2: Convert to fraction form
    48,512.79/66,923.15 = 28,356.50/x
  3. Step 3: Cross multiply
    48,512.79x = 66,923.15 × 28,356.50
  4. Step 4: Simplify right side
    48,512.79x = 1,897,706,302.98
  5. Step 5: Solve for x
    x = 1,897,706,302.98/48,512.79
  6. Step 6: Final answer
    x = 39,117.65

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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.