Home / 47,543.49-65,595.22-31,630.64

Finding the Fourth Proportional to 47,543.49, 65,595.22 and 31,630.64

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Solution

The fourth proportional to 47,543.49, 65,595.22 and 31,630.64 is: 43,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,543.49 : 65,595.22 = 31,630.64 : x
  2. Step 2: Convert to fraction form
    47,543.49/65,595.22 = 31,630.64/x
  3. Step 3: Cross multiply
    47,543.49x = 65,595.22 × 31,630.64
  4. Step 4: Simplify right side
    47,543.49x = 2,074,818,382.49
  5. Step 5: Solve for x
    x = 2,074,818,382.49/47,543.49
  6. Step 6: Final answer
    x = 43,640.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.