Home / 31,820.34-47,750.60-17,789.57

Finding the Fourth Proportional to 31,820.34, 47,750.60 and 17,789.57

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Solution

The fourth proportional to 31,820.34, 47,750.60 and 17,789.57 is: 26,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.34 : 47,750.60 = 17,789.57 : x
  2. Step 2: Convert to fraction form
    31,820.34/47,750.60 = 17,789.57/x
  3. Step 3: Cross multiply
    31,820.34x = 47,750.60 × 17,789.57
  4. Step 4: Simplify right side
    31,820.34x = 849,462,313.54
  5. Step 5: Solve for x
    x = 849,462,313.54/31,820.34
  6. Step 6: Final answer
    x = 26,695.58

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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.