Home / 39,497.08-54,503.94-21,588.76

Finding the Fourth Proportional to 39,497.08, 54,503.94 and 21,588.76

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Solution

The fourth proportional to 39,497.08, 54,503.94 and 21,588.76 is: 29,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,497.08 : 54,503.94 = 21,588.76 : x
  2. Step 2: Convert to fraction form
    39,497.08/54,503.94 = 21,588.76/x
  3. Step 3: Cross multiply
    39,497.08x = 54,503.94 × 21,588.76
  4. Step 4: Simplify right side
    39,497.08x = 1,176,672,479.71
  5. Step 5: Solve for x
    x = 1,176,672,479.71/39,497.08
  6. Step 6: Final answer
    x = 29,791.38

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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.