Home / 42,219.25-58,270.39-27,130.77

Finding the Fourth Proportional to 42,219.25, 58,270.39 and 27,130.77

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Solution

The fourth proportional to 42,219.25, 58,270.39 and 27,130.77 is: 37,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.25 : 58,270.39 = 27,130.77 : x
  2. Step 2: Convert to fraction form
    42,219.25/58,270.39 = 27,130.77/x
  3. Step 3: Cross multiply
    42,219.25x = 58,270.39 × 27,130.77
  4. Step 4: Simplify right side
    42,219.25x = 1,580,920,481.07
  5. Step 5: Solve for x
    x = 1,580,920,481.07/42,219.25
  6. Step 6: Final answer
    x = 37,445.49

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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.