Home / 31,763.72-47,637.88-10,698.32

Finding the Fourth Proportional to 31,763.72, 47,637.88 and 10,698.32

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Solution

The fourth proportional to 31,763.72, 47,637.88 and 10,698.32 is: 16,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.72 : 47,637.88 = 10,698.32 : x
  2. Step 2: Convert to fraction form
    31,763.72/47,637.88 = 10,698.32/x
  3. Step 3: Cross multiply
    31,763.72x = 47,637.88 × 10,698.32
  4. Step 4: Simplify right side
    31,763.72x = 509,645,376.71
  5. Step 5: Solve for x
    x = 509,645,376.71/31,763.72
  6. Step 6: Final answer
    x = 16,044.89

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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.