Home / 38,535.12-57,809.40-13,573.20

Finding the Fourth Proportional to 38,535.12, 57,809.40 and 13,573.20

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Solution

The fourth proportional to 38,535.12, 57,809.40 and 13,573.20 is: 20,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.12 : 57,809.40 = 13,573.20 : x
  2. Step 2: Convert to fraction form
    38,535.12/57,809.40 = 13,573.20/x
  3. Step 3: Cross multiply
    38,535.12x = 57,809.40 × 13,573.20
  4. Step 4: Simplify right side
    38,535.12x = 784,658,548.08
  5. Step 5: Solve for x
    x = 784,658,548.08/38,535.12
  6. Step 6: Final answer
    x = 20,362.17

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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.