Home / 38,439.95-53,043.09-22,521.42

Finding the Fourth Proportional to 38,439.95, 53,043.09 and 22,521.42

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Solution

The fourth proportional to 38,439.95, 53,043.09 and 22,521.42 is: 31,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.95 : 53,043.09 = 22,521.42 : x
  2. Step 2: Convert to fraction form
    38,439.95/53,043.09 = 22,521.42/x
  3. Step 3: Cross multiply
    38,439.95x = 53,043.09 × 22,521.42
  4. Step 4: Simplify right side
    38,439.95x = 1,194,605,623.53
  5. Step 5: Solve for x
    x = 1,194,605,623.53/38,439.95
  6. Step 6: Final answer
    x = 31,077.19

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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.