Home / 31,969.29-47,920.49-10,901.95

Finding the Fourth Proportional to 31,969.29, 47,920.49 and 10,901.95

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Solution

The fourth proportional to 31,969.29, 47,920.49 and 10,901.95 is: 16,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969.29 : 47,920.49 = 10,901.95 : x
  2. Step 2: Convert to fraction form
    31,969.29/47,920.49 = 10,901.95/x
  3. Step 3: Cross multiply
    31,969.29x = 47,920.49 × 10,901.95
  4. Step 4: Simplify right side
    31,969.29x = 522,426,731.45
  5. Step 5: Solve for x
    x = 522,426,731.45/31,969.29
  6. Step 6: Final answer
    x = 16,341.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.