Home / 31,387.35-47,266.64-22,683.09

Finding the Fourth Proportional to 31,387.35, 47,266.64 and 22,683.09

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Solution

The fourth proportional to 31,387.35, 47,266.64 and 22,683.09 is: 34,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.35 : 47,266.64 = 22,683.09 : x
  2. Step 2: Convert to fraction form
    31,387.35/47,266.64 = 22,683.09/x
  3. Step 3: Cross multiply
    31,387.35x = 47,266.64 × 22,683.09
  4. Step 4: Simplify right side
    31,387.35x = 1,072,153,449.12
  5. Step 5: Solve for x
    x = 1,072,153,449.12/31,387.35
  6. Step 6: Final answer
    x = 34,158.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.