Home / 37,543.52-51,821.58-21,638.55

Finding the Fourth Proportional to 37,543.52, 51,821.58 and 21,638.55

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Solution

The fourth proportional to 37,543.52, 51,821.58 and 21,638.55 is: 29,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.52 : 51,821.58 = 21,638.55 : x
  2. Step 2: Convert to fraction form
    37,543.52/51,821.58 = 21,638.55/x
  3. Step 3: Cross multiply
    37,543.52x = 51,821.58 × 21,638.55
  4. Step 4: Simplify right side
    37,543.52x = 1,121,343,849.91
  5. Step 5: Solve for x
    x = 1,121,343,849.91/37,543.52
  6. Step 6: Final answer
    x = 29,867.84

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1.5x scale

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.