Home / 52,415.16-72,334.30-28,542.84

Finding the Fourth Proportional to 52,415.16, 72,334.30 and 28,542.84

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Solution

The fourth proportional to 52,415.16, 72,334.30 and 28,542.84 is: 39,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.16 : 72,334.30 = 28,542.84 : x
  2. Step 2: Convert to fraction form
    52,415.16/72,334.30 = 28,542.84/x
  3. Step 3: Cross multiply
    52,415.16x = 72,334.30 × 28,542.84
  4. Step 4: Simplify right side
    52,415.16x = 2,064,626,351.41
  5. Step 5: Solve for x
    x = 2,064,626,351.41/52,415.16
  6. Step 6: Final answer
    x = 39,389.87

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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.