Home / 31,000.14-42,783.54-17,569.96

Finding the Fourth Proportional to 31,000.14, 42,783.54 and 17,569.96

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Solution

The fourth proportional to 31,000.14, 42,783.54 and 17,569.96 is: 24,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.14 : 42,783.54 = 17,569.96 : x
  2. Step 2: Convert to fraction form
    31,000.14/42,783.54 = 17,569.96/x
  3. Step 3: Cross multiply
    31,000.14x = 42,783.54 × 17,569.96
  4. Step 4: Simplify right side
    31,000.14x = 751,704,947.98
  5. Step 5: Solve for x
    x = 751,704,947.98/31,000.14
  6. Step 6: Final answer
    x = 24,248.43

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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.