Home / 38,485.56-57,681.17-21,859.57

Finding the Fourth Proportional to 38,485.56, 57,681.17 and 21,859.57

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Solution

The fourth proportional to 38,485.56, 57,681.17 and 21,859.57 is: 32,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485.56 : 57,681.17 = 21,859.57 : x
  2. Step 2: Convert to fraction form
    38,485.56/57,681.17 = 21,859.57/x
  3. Step 3: Cross multiply
    38,485.56x = 57,681.17 × 21,859.57
  4. Step 4: Simplify right side
    38,485.56x = 1,260,885,573.30
  5. Step 5: Solve for x
    x = 1,260,885,573.30/38,485.56
  6. Step 6: Final answer
    x = 32,762.56

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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.