Home / 42,350.54-58,418.08-28,010.30

Finding the Fourth Proportional to 42,350.54, 58,418.08 and 28,010.30

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Solution

The fourth proportional to 42,350.54, 58,418.08 and 28,010.30 is: 38,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,350.54 : 58,418.08 = 28,010.30 : x
  2. Step 2: Convert to fraction form
    42,350.54/58,418.08 = 28,010.30/x
  3. Step 3: Cross multiply
    42,350.54x = 58,418.08 × 28,010.30
  4. Step 4: Simplify right side
    42,350.54x = 1,636,307,584.11
  5. Step 5: Solve for x
    x = 1,636,307,584.11/42,350.54
  6. Step 6: Final answer
    x = 38,637.24

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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.