Home / 42,135.07-58,146.70-23,272.20

Finding the Fourth Proportional to 42,135.07, 58,146.70 and 23,272.20

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Solution

The fourth proportional to 42,135.07, 58,146.70 and 23,272.20 is: 32,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.07 : 58,146.70 = 23,272.20 : x
  2. Step 2: Convert to fraction form
    42,135.07/58,146.70 = 23,272.20/x
  3. Step 3: Cross multiply
    42,135.07x = 58,146.70 × 23,272.20
  4. Step 4: Simplify right side
    42,135.07x = 1,353,201,399.14
  5. Step 5: Solve for x
    x = 1,353,201,399.14/42,135.07
  6. Step 6: Final answer
    x = 32,115.80

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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.