Home / 42,507.26-63,733.54-20,320.14

Finding the Fourth Proportional to 42,507.26, 63,733.54 and 20,320.14

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Solution

The fourth proportional to 42,507.26, 63,733.54 and 20,320.14 is: 30,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.26 : 63,733.54 = 20,320.14 : x
  2. Step 2: Convert to fraction form
    42,507.26/63,733.54 = 20,320.14/x
  3. Step 3: Cross multiply
    42,507.26x = 63,733.54 × 20,320.14
  4. Step 4: Simplify right side
    42,507.26x = 1,295,074,455.50
  5. Step 5: Solve for x
    x = 1,295,074,455.50/42,507.26
  6. Step 6: Final answer
    x = 30,467.14

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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.