Home / 53,975.08-74,487.36-30,102.76

Finding the Fourth Proportional to 53,975.08, 74,487.36 and 30,102.76

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Solution

The fourth proportional to 53,975.08, 74,487.36 and 30,102.76 is: 41,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.08 : 74,487.36 = 30,102.76 : x
  2. Step 2: Convert to fraction form
    53,975.08/74,487.36 = 30,102.76/x
  3. Step 3: Cross multiply
    53,975.08x = 74,487.36 × 30,102.76
  4. Step 4: Simplify right side
    53,975.08x = 2,242,275,121.11
  5. Step 5: Solve for x
    x = 2,242,275,121.11/53,975.08
  6. Step 6: Final answer
    x = 41,542.78

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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.