Home / 53,778.69-74,216.40-29,580.68

Finding the Fourth Proportional to 53,778.69, 74,216.40 and 29,580.68

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Solution

The fourth proportional to 53,778.69, 74,216.40 and 29,580.68 is: 40,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.69 : 74,216.40 = 29,580.68 : x
  2. Step 2: Convert to fraction form
    53,778.69/74,216.40 = 29,580.68/x
  3. Step 3: Cross multiply
    53,778.69x = 74,216.40 × 29,580.68
  4. Step 4: Simplify right side
    53,778.69x = 2,195,371,579.15
  5. Step 5: Solve for x
    x = 2,195,371,579.15/53,778.69
  6. Step 6: Final answer
    x = 40,822.33

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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.