Home / 60,342.12-90,491.58-20,888.64

Finding the Fourth Proportional to 60,342.12, 90,491.58 and 20,888.64

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Solution

The fourth proportional to 60,342.12, 90,491.58 and 20,888.64 is: 31,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,342.12 : 90,491.58 = 20,888.64 : x
  2. Step 2: Convert to fraction form
    60,342.12/90,491.58 = 20,888.64/x
  3. Step 3: Cross multiply
    60,342.12x = 90,491.58 × 20,888.64
  4. Step 4: Simplify right side
    60,342.12x = 1,890,246,037.65
  5. Step 5: Solve for x
    x = 1,890,246,037.65/60,342.12
  6. Step 6: Final answer
    x = 31,325.48

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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.