Home / 31,963.48-47,945.32-9,776.76

Finding the Fourth Proportional to 31,963.48, 47,945.32 and 9,776.76

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Solution

The fourth proportional to 31,963.48, 47,945.32 and 9,776.76 is: 14,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.48 : 47,945.32 = 9,776.76 : x
  2. Step 2: Convert to fraction form
    31,963.48/47,945.32 = 9,776.76/x
  3. Step 3: Cross multiply
    31,963.48x = 47,945.32 × 9,776.76
  4. Step 4: Simplify right side
    31,963.48x = 468,749,886.76
  5. Step 5: Solve for x
    x = 468,749,886.76/31,963.48
  6. Step 6: Final answer
    x = 14,665.17

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1.5x scale

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.