Home / 38,125.95-52,617.48-21,133.87

Finding the Fourth Proportional to 38,125.95, 52,617.48 and 21,133.87

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Solution

The fourth proportional to 38,125.95, 52,617.48 and 21,133.87 is: 29,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125.95 : 52,617.48 = 21,133.87 : x
  2. Step 2: Convert to fraction form
    38,125.95/52,617.48 = 21,133.87/x
  3. Step 3: Cross multiply
    38,125.95x = 52,617.48 × 21,133.87
  4. Step 4: Simplify right side
    38,125.95x = 1,112,010,982.05
  5. Step 5: Solve for x
    x = 1,112,010,982.05/38,125.95
  6. Step 6: Final answer
    x = 29,166.77

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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.