Home / 53,912.06-74,400.93-30,038.75

Finding the Fourth Proportional to 53,912.06, 74,400.93 and 30,038.75

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Solution

The fourth proportional to 53,912.06, 74,400.93 and 30,038.75 is: 41,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.06 : 74,400.93 = 30,038.75 : x
  2. Step 2: Convert to fraction form
    53,912.06/74,400.93 = 30,038.75/x
  3. Step 3: Cross multiply
    53,912.06x = 74,400.93 × 30,038.75
  4. Step 4: Simplify right side
    53,912.06x = 2,234,910,564.03
  5. Step 5: Solve for x
    x = 2,234,910,564.03/53,912.06
  6. Step 6: Final answer
    x = 41,454.75

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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.