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Finding the Fourth Proportional to 37,423.89, 51,645.03 and 20,656.89

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Solution

The fourth proportional to 37,423.89, 51,645.03 and 20,656.89 is: 28,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,423.89 : 51,645.03 = 20,656.89 : x
  2. Step 2: Convert to fraction form
    37,423.89/51,645.03 = 20,656.89/x
  3. Step 3: Cross multiply
    37,423.89x = 51,645.03 × 20,656.89
  4. Step 4: Simplify right side
    37,423.89x = 1,066,825,703.76
  5. Step 5: Solve for x
    x = 1,066,825,703.76/37,423.89
  6. Step 6: Final answer
    x = 28,506.54

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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.