Home / 53,579.14-80,290.95-30,155.56

Finding the Fourth Proportional to 53,579.14, 80,290.95 and 30,155.56

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Solution

The fourth proportional to 53,579.14, 80,290.95 and 30,155.56 is: 45,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.14 : 80,290.95 = 30,155.56 : x
  2. Step 2: Convert to fraction form
    53,579.14/80,290.95 = 30,155.56/x
  3. Step 3: Cross multiply
    53,579.14x = 80,290.95 × 30,155.56
  4. Step 4: Simplify right side
    53,579.14x = 2,421,218,560.18
  5. Step 5: Solve for x
    x = 2,421,218,560.18/53,579.14
  6. Step 6: Final answer
    x = 45,189.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.