Home / 53,423.24-79,961.01-39,377.64

Finding the Fourth Proportional to 53,423.24, 79,961.01 and 39,377.64

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Solution

The fourth proportional to 53,423.24, 79,961.01 and 39,377.64 is: 58,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.24 : 79,961.01 = 39,377.64 : x
  2. Step 2: Convert to fraction form
    53,423.24/79,961.01 = 39,377.64/x
  3. Step 3: Cross multiply
    53,423.24x = 79,961.01 × 39,377.64
  4. Step 4: Simplify right side
    53,423.24x = 3,148,675,865.82
  5. Step 5: Solve for x
    x = 3,148,675,865.82/53,423.24
  6. Step 6: Final answer
    x = 58,938.32

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1.5x scale

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.