Home / 52,395.39-72,305.91-28,521.81

Finding the Fourth Proportional to 52,395.39, 72,305.91 and 28,521.81

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Solution

The fourth proportional to 52,395.39, 72,305.91 and 28,521.81 is: 39,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,395.39 : 72,305.91 = 28,521.81 : x
  2. Step 2: Convert to fraction form
    52,395.39/72,305.91 = 28,521.81/x
  3. Step 3: Cross multiply
    52,395.39x = 72,305.91 × 28,521.81
  4. Step 4: Simplify right side
    52,395.39x = 2,062,295,426.90
  5. Step 5: Solve for x
    x = 2,062,295,426.90/52,395.39
  6. Step 6: Final answer
    x = 39,360.25

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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.