Home / 38,504.90-57,776.55-21,877.70

Finding the Fourth Proportional to 38,504.90, 57,776.55 and 21,877.70

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Solution

The fourth proportional to 38,504.90, 57,776.55 and 21,877.70 is: 32,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.90 : 57,776.55 = 21,877.70 : x
  2. Step 2: Convert to fraction form
    38,504.90/57,776.55 = 21,877.70/x
  3. Step 3: Cross multiply
    38,504.90x = 57,776.55 × 21,877.70
  4. Step 4: Simplify right side
    38,504.90x = 1,264,018,027.94
  5. Step 5: Solve for x
    x = 1,264,018,027.94/38,504.90
  6. Step 6: Final answer
    x = 32,827.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.