Home / 31,869.12-47,810.63-10,522.77

Finding the Fourth Proportional to 31,869.12, 47,810.63 and 10,522.77

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Solution

The fourth proportional to 31,869.12, 47,810.63 and 10,522.77 is: 15,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.12 : 47,810.63 = 10,522.77 : x
  2. Step 2: Convert to fraction form
    31,869.12/47,810.63 = 10,522.77/x
  3. Step 3: Cross multiply
    31,869.12x = 47,810.63 × 10,522.77
  4. Step 4: Simplify right side
    31,869.12x = 503,100,416.64
  5. Step 5: Solve for x
    x = 503,100,416.64/31,869.12
  6. Step 6: Final answer
    x = 15,786.45

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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.