Home / 53,535.11-80,271.54-20,257.74

Finding the Fourth Proportional to 53,535.11, 80,271.54 and 20,257.74

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Solution

The fourth proportional to 53,535.11, 80,271.54 and 20,257.74 is: 30,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.11 : 80,271.54 = 20,257.74 : x
  2. Step 2: Convert to fraction form
    53,535.11/80,271.54 = 20,257.74/x
  3. Step 3: Cross multiply
    53,535.11x = 80,271.54 × 20,257.74
  4. Step 4: Simplify right side
    53,535.11x = 1,626,119,986.72
  5. Step 5: Solve for x
    x = 1,626,119,986.72/53,535.11
  6. Step 6: Final answer
    x = 30,374.84

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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.