Home / 38,500.79-53,131.41-22,585.50

Finding the Fourth Proportional to 38,500.79, 53,131.41 and 22,585.50

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Solution

The fourth proportional to 38,500.79, 53,131.41 and 22,585.50 is: 31,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.79 : 53,131.41 = 22,585.50 : x
  2. Step 2: Convert to fraction form
    38,500.79/53,131.41 = 22,585.50/x
  3. Step 3: Cross multiply
    38,500.79x = 53,131.41 × 22,585.50
  4. Step 4: Simplify right side
    38,500.79x = 1,199,999,460.56
  5. Step 5: Solve for x
    x = 1,199,999,460.56/38,500.79
  6. Step 6: Final answer
    x = 31,168.18

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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.