Home / 51,335.26-70,840.53-28,674.14

Finding the Fourth Proportional to 51,335.26, 70,840.53 and 28,674.14

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Solution

The fourth proportional to 51,335.26, 70,840.53 and 28,674.14 is: 39,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.26 : 70,840.53 = 28,674.14 : x
  2. Step 2: Convert to fraction form
    51,335.26/70,840.53 = 28,674.14/x
  3. Step 3: Cross multiply
    51,335.26x = 70,840.53 × 28,674.14
  4. Step 4: Simplify right side
    51,335.26x = 2,031,290,920.69
  5. Step 5: Solve for x
    x = 2,031,290,920.69/51,335.26
  6. Step 6: Final answer
    x = 39,569.12

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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.