Home / 53,648.61-74,026.55-29,774.78

Finding the Fourth Proportional to 53,648.61, 74,026.55 and 29,774.78

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Solution

The fourth proportional to 53,648.61, 74,026.55 and 29,774.78 is: 41,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.61 : 74,026.55 = 29,774.78 : x
  2. Step 2: Convert to fraction form
    53,648.61/74,026.55 = 29,774.78/x
  3. Step 3: Cross multiply
    53,648.61x = 74,026.55 × 29,774.78
  4. Step 4: Simplify right side
    53,648.61x = 2,204,123,721.40
  5. Step 5: Solve for x
    x = 2,204,123,721.40/53,648.61
  6. Step 6: Final answer
    x = 41,084.45

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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.