Home / 51,347.16-70,860.96-28,377.18

Finding the Fourth Proportional to 51,347.16, 70,860.96 and 28,377.18

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Solution

The fourth proportional to 51,347.16, 70,860.96 and 28,377.18 is: 39,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.16 : 70,860.96 = 28,377.18 : x
  2. Step 2: Convert to fraction form
    51,347.16/70,860.96 = 28,377.18/x
  3. Step 3: Cross multiply
    51,347.16x = 70,860.96 × 28,377.18
  4. Step 4: Simplify right side
    51,347.16x = 2,010,834,216.89
  5. Step 5: Solve for x
    x = 2,010,834,216.89/51,347.16
  6. Step 6: Final answer
    x = 39,161.55

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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.