Home / 42,028.59-57,999.47-23,165.72

Finding the Fourth Proportional to 42,028.59, 57,999.47 and 23,165.72

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Solution

The fourth proportional to 42,028.59, 57,999.47 and 23,165.72 is: 31,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.59 : 57,999.47 = 23,165.72 : x
  2. Step 2: Convert to fraction form
    42,028.59/57,999.47 = 23,165.72/x
  3. Step 3: Cross multiply
    42,028.59x = 57,999.47 × 23,165.72
  4. Step 4: Simplify right side
    42,028.59x = 1,343,599,076.34
  5. Step 5: Solve for x
    x = 1,343,599,076.34/42,028.59
  6. Step 6: Final answer
    x = 31,968.69

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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.