Home / 31,966.64-47,948.22-9,780.02

Finding the Fourth Proportional to 31,966.64, 47,948.22 and 9,780.02

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Solution

The fourth proportional to 31,966.64, 47,948.22 and 9,780.02 is: 14,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.64 : 47,948.22 = 9,780.02 : x
  2. Step 2: Convert to fraction form
    31,966.64/47,948.22 = 9,780.02/x
  3. Step 3: Cross multiply
    31,966.64x = 47,948.22 × 9,780.02
  4. Step 4: Simplify right side
    31,966.64x = 468,934,490.63
  5. Step 5: Solve for x
    x = 468,934,490.63/31,966.64
  6. Step 6: Final answer
    x = 14,669.50

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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.