Home / 42,564.69-63,843.09-20,070.18

Finding the Fourth Proportional to 42,564.69, 63,843.09 and 20,070.18

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Solution

The fourth proportional to 42,564.69, 63,843.09 and 20,070.18 is: 30,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564.69 : 63,843.09 = 20,070.18 : x
  2. Step 2: Convert to fraction form
    42,564.69/63,843.09 = 20,070.18/x
  3. Step 3: Cross multiply
    42,564.69x = 63,843.09 × 20,070.18
  4. Step 4: Simplify right side
    42,564.69x = 1,281,342,232.79
  5. Step 5: Solve for x
    x = 1,281,342,232.79/42,564.69
  6. Step 6: Final answer
    x = 30,103.41

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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.