Home / 38,692.78-53,426.20-29,726.08

Finding the Fourth Proportional to 38,692.78, 53,426.20 and 29,726.08

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Solution

The fourth proportional to 38,692.78, 53,426.20 and 29,726.08 is: 41,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.78 : 53,426.20 = 29,726.08 : x
  2. Step 2: Convert to fraction form
    38,692.78/53,426.20 = 29,726.08/x
  3. Step 3: Cross multiply
    38,692.78x = 53,426.20 × 29,726.08
  4. Step 4: Simplify right side
    38,692.78x = 1,588,151,495.30
  5. Step 5: Solve for x
    x = 1,588,151,495.30/38,692.78
  6. Step 6: Final answer
    x = 41,045.16

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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.