Home / 47,921.69-66,130.40-30,026.36

Finding the Fourth Proportional to 47,921.69, 66,130.40 and 30,026.36

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Solution

The fourth proportional to 47,921.69, 66,130.40 and 30,026.36 is: 41,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.69 : 66,130.40 = 30,026.36 : x
  2. Step 2: Convert to fraction form
    47,921.69/66,130.40 = 30,026.36/x
  3. Step 3: Cross multiply
    47,921.69x = 66,130.40 × 30,026.36
  4. Step 4: Simplify right side
    47,921.69x = 1,985,654,716.56
  5. Step 5: Solve for x
    x = 1,985,654,716.56/47,921.69
  6. Step 6: Final answer
    x = 41,435.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.