Home / 53,912.77-74,400.86-30,040.90

Finding the Fourth Proportional to 53,912.77, 74,400.86 and 30,040.90

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Solution

The fourth proportional to 53,912.77, 74,400.86 and 30,040.90 is: 41,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.77 : 74,400.86 = 30,040.90 : x
  2. Step 2: Convert to fraction form
    53,912.77/74,400.86 = 30,040.90/x
  3. Step 3: Cross multiply
    53,912.77x = 74,400.86 × 30,040.90
  4. Step 4: Simplify right side
    53,912.77x = 2,235,068,795.17
  5. Step 5: Solve for x
    x = 2,235,068,795.17/53,912.77
  6. Step 6: Final answer
    x = 41,457.13

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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.