Home / 31,707.86-47,569.08-9,521.66

Finding the Fourth Proportional to 31,707.86, 47,569.08 and 9,521.66

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Solution

The fourth proportional to 31,707.86, 47,569.08 and 9,521.66 is: 14,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.86 : 47,569.08 = 9,521.66 : x
  2. Step 2: Convert to fraction form
    31,707.86/47,569.08 = 9,521.66/x
  3. Step 3: Cross multiply
    31,707.86x = 47,569.08 × 9,521.66
  4. Step 4: Simplify right side
    31,707.86x = 452,936,368.43
  5. Step 5: Solve for x
    x = 452,936,368.43/31,707.86
  6. Step 6: Final answer
    x = 14,284.67

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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.