Home / 38,692.13-53,393.21-22,775.55

Finding the Fourth Proportional to 38,692.13, 53,393.21 and 22,775.55

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Solution

The fourth proportional to 38,692.13, 53,393.21 and 22,775.55 is: 31,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.13 : 53,393.21 = 22,775.55 : x
  2. Step 2: Convert to fraction form
    38,692.13/53,393.21 = 22,775.55/x
  3. Step 3: Cross multiply
    38,692.13x = 53,393.21 × 22,775.55
  4. Step 4: Simplify right side
    38,692.13x = 1,216,060,041.91
  5. Step 5: Solve for x
    x = 1,216,060,041.91/38,692.13
  6. Step 6: Final answer
    x = 31,429.13

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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.