Home / 51,011.60-70,393.74-28,352.18

Finding the Fourth Proportional to 51,011.60, 70,393.74 and 28,352.18

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Solution

The fourth proportional to 51,011.60, 70,393.74 and 28,352.18 is: 39,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.60 : 70,393.74 = 28,352.18 : x
  2. Step 2: Convert to fraction form
    51,011.60/70,393.74 = 28,352.18/x
  3. Step 3: Cross multiply
    51,011.60x = 70,393.74 × 28,352.18
  4. Step 4: Simplify right side
    51,011.60x = 1,995,815,987.35
  5. Step 5: Solve for x
    x = 1,995,815,987.35/51,011.60
  6. Step 6: Final answer
    x = 39,124.75

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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.