Home / 39,496.86-54,503.46-21,588.30

Finding the Fourth Proportional to 39,496.86, 54,503.46 and 21,588.30

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Solution

The fourth proportional to 39,496.86, 54,503.46 and 21,588.30 is: 29,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,496.86 : 54,503.46 = 21,588.30 : x
  2. Step 2: Convert to fraction form
    39,496.86/54,503.46 = 21,588.30/x
  3. Step 3: Cross multiply
    39,496.86x = 54,503.46 × 21,588.30
  4. Step 4: Simplify right side
    39,496.86x = 1,176,637,045.52
  5. Step 5: Solve for x
    x = 1,176,637,045.52/39,496.86
  6. Step 6: Final answer
    x = 29,790.65

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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.