Home / 39,213.84-58,820.70-9,631.80

Finding the Fourth Proportional to 39,213.84, 58,820.70 and 9,631.80

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Solution

The fourth proportional to 39,213.84, 58,820.70 and 9,631.80 is: 14,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.84 : 58,820.70 = 9,631.80 : x
  2. Step 2: Convert to fraction form
    39,213.84/58,820.70 = 9,631.80/x
  3. Step 3: Cross multiply
    39,213.84x = 58,820.70 × 9,631.80
  4. Step 4: Simplify right side
    39,213.84x = 566,549,218.26
  5. Step 5: Solve for x
    x = 566,549,218.26/39,213.84
  6. Step 6: Final answer
    x = 14,447.69

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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.