Home / 31,737.84-43,798.80-18,306.84

Finding the Fourth Proportional to 31,737.84, 43,798.80 and 18,306.84

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Solution

The fourth proportional to 31,737.84, 43,798.80 and 18,306.84 is: 25,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.84 : 43,798.80 = 18,306.84 : x
  2. Step 2: Convert to fraction form
    31,737.84/43,798.80 = 18,306.84/x
  3. Step 3: Cross multiply
    31,737.84x = 43,798.80 × 18,306.84
  4. Step 4: Simplify right side
    31,737.84x = 801,817,623.79
  5. Step 5: Solve for x
    x = 801,817,623.79/31,737.84
  6. Step 6: Final answer
    x = 25,263.77

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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.