Home / 31,493.12-43,461.05-17,345.93

Finding the Fourth Proportional to 31,493.12, 43,461.05 and 17,345.93

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Solution

The fourth proportional to 31,493.12, 43,461.05 and 17,345.93 is: 23,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.12 : 43,461.05 = 17,345.93 : x
  2. Step 2: Convert to fraction form
    31,493.12/43,461.05 = 17,345.93/x
  3. Step 3: Cross multiply
    31,493.12x = 43,461.05 × 17,345.93
  4. Step 4: Simplify right side
    31,493.12x = 753,872,026.99
  5. Step 5: Solve for x
    x = 753,872,026.99/31,493.12
  6. Step 6: Final answer
    x = 23,937.68

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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.