Home / 31,693.79-43,703.42-26,712.90

Finding the Fourth Proportional to 31,693.79, 43,703.42 and 26,712.90

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Solution

The fourth proportional to 31,693.79, 43,703.42 and 26,712.90 is: 36,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.79 : 43,703.42 = 26,712.90 : x
  2. Step 2: Convert to fraction form
    31,693.79/43,703.42 = 26,712.90/x
  3. Step 3: Cross multiply
    31,693.79x = 43,703.42 × 26,712.90
  4. Step 4: Simplify right side
    31,693.79x = 1,167,445,088.12
  5. Step 5: Solve for x
    x = 1,167,445,088.12/31,693.79
  6. Step 6: Final answer
    x = 36,835.14

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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.