Home / 51,319.96-70,817.50-28,657.18

Finding the Fourth Proportional to 51,319.96, 70,817.50 and 28,657.18

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Solution

The fourth proportional to 51,319.96, 70,817.50 and 28,657.18 is: 39,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,319.96 : 70,817.50 = 28,657.18 : x
  2. Step 2: Convert to fraction form
    51,319.96/70,817.50 = 28,657.18/x
  3. Step 3: Cross multiply
    51,319.96x = 70,817.50 × 28,657.18
  4. Step 4: Simplify right side
    51,319.96x = 2,029,429,844.65
  5. Step 5: Solve for x
    x = 2,029,429,844.65/51,319.96
  6. Step 6: Final answer
    x = 39,544.65

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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.