Home / 39,387.39-59,080.78-9,805.03

Finding the Fourth Proportional to 39,387.39, 59,080.78 and 9,805.03

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Solution

The fourth proportional to 39,387.39, 59,080.78 and 9,805.03 is: 14,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.39 : 59,080.78 = 9,805.03 : x
  2. Step 2: Convert to fraction form
    39,387.39/59,080.78 = 9,805.03/x
  3. Step 3: Cross multiply
    39,387.39x = 59,080.78 × 9,805.03
  4. Step 4: Simplify right side
    39,387.39x = 579,288,820.32
  5. Step 5: Solve for x
    x = 579,288,820.32/39,387.39
  6. Step 6: Final answer
    x = 14,707.47

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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.