Home / 42,069.48-57,968.10-28,617.36

Finding the Fourth Proportional to 42,069.48, 57,968.10 and 28,617.36

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Solution

The fourth proportional to 42,069.48, 57,968.10 and 28,617.36 is: 39,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,069.48 : 57,968.10 = 28,617.36 : x
  2. Step 2: Convert to fraction form
    42,069.48/57,968.10 = 28,617.36/x
  3. Step 3: Cross multiply
    42,069.48x = 57,968.10 × 28,617.36
  4. Step 4: Simplify right side
    42,069.48x = 1,658,893,986.22
  5. Step 5: Solve for x
    x = 1,658,893,986.22/42,069.48
  6. Step 6: Final answer
    x = 39,432.24

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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.