Home / 51,318.70-70,818.44-28,657.06

Finding the Fourth Proportional to 51,318.70, 70,818.44 and 28,657.06

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Solution

The fourth proportional to 51,318.70, 70,818.44 and 28,657.06 is: 39,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318.70 : 70,818.44 = 28,657.06 : x
  2. Step 2: Convert to fraction form
    51,318.70/70,818.44 = 28,657.06/x
  3. Step 3: Cross multiply
    51,318.70x = 70,818.44 × 28,657.06
  4. Step 4: Simplify right side
    51,318.70x = 2,029,447,963.86
  5. Step 5: Solve for x
    x = 2,029,447,963.86/51,318.70
  6. Step 6: Final answer
    x = 39,545.98

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1.5x scale

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.