Home / 51,275.04-70,759.68-28,613.52

Finding the Fourth Proportional to 51,275.04, 70,759.68 and 28,613.52

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Solution

The fourth proportional to 51,275.04, 70,759.68 and 28,613.52 is: 39,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275.04 : 70,759.68 = 28,613.52 : x
  2. Step 2: Convert to fraction form
    51,275.04/70,759.68 = 28,613.52/x
  3. Step 3: Cross multiply
    51,275.04x = 70,759.68 × 28,613.52
  4. Step 4: Simplify right side
    51,275.04x = 2,024,683,518.87
  5. Step 5: Solve for x
    x = 2,024,683,518.87/51,275.04
  6. Step 6: Final answer
    x = 39,486.73

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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.