Home / 51,329.13-70,833.74-28,358.92

Finding the Fourth Proportional to 51,329.13, 70,833.74 and 28,358.92

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Solution

The fourth proportional to 51,329.13, 70,833.74 and 28,358.92 is: 39,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.13 : 70,833.74 = 28,358.92 : x
  2. Step 2: Convert to fraction form
    51,329.13/70,833.74 = 28,358.92/x
  3. Step 3: Cross multiply
    51,329.13x = 70,833.74 × 28,358.92
  4. Step 4: Simplify right side
    51,329.13x = 2,008,768,047.08
  5. Step 5: Solve for x
    x = 2,008,768,047.08/51,329.13
  6. Step 6: Final answer
    x = 39,135.05

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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.