Home / 39,771.62-59,656.06-10,189.72

Finding the Fourth Proportional to 39,771.62, 59,656.06 and 10,189.72

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Solution

The fourth proportional to 39,771.62, 59,656.06 and 10,189.72 is: 15,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.62 : 59,656.06 = 10,189.72 : x
  2. Step 2: Convert to fraction form
    39,771.62/59,656.06 = 10,189.72/x
  3. Step 3: Cross multiply
    39,771.62x = 59,656.06 × 10,189.72
  4. Step 4: Simplify right side
    39,771.62x = 607,878,547.70
  5. Step 5: Solve for x
    x = 607,878,547.70/39,771.62
  6. Step 6: Final answer
    x = 15,284.23

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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.