Home / 31,038.58-42,833.51-17,609.86

Finding the Fourth Proportional to 31,038.58, 42,833.51 and 17,609.86

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Solution

The fourth proportional to 31,038.58, 42,833.51 and 17,609.86 is: 24,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.58 : 42,833.51 = 17,609.86 : x
  2. Step 2: Convert to fraction form
    31,038.58/42,833.51 = 17,609.86/x
  3. Step 3: Cross multiply
    31,038.58x = 42,833.51 × 17,609.86
  4. Step 4: Simplify right side
    31,038.58x = 754,292,114.41
  5. Step 5: Solve for x
    x = 754,292,114.41/31,038.58
  6. Step 6: Final answer
    x = 24,301.76

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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.