Home / 42,230.58-63,367.74-30,639.48

Finding the Fourth Proportional to 42,230.58, 63,367.74 and 30,639.48

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Solution

The fourth proportional to 42,230.58, 63,367.74 and 30,639.48 is: 45,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.58 : 63,367.74 = 30,639.48 : x
  2. Step 2: Convert to fraction form
    42,230.58/63,367.74 = 30,639.48/x
  3. Step 3: Cross multiply
    42,230.58x = 63,367.74 × 30,639.48
  4. Step 4: Simplify right side
    42,230.58x = 1,941,554,602.38
  5. Step 5: Solve for x
    x = 1,941,554,602.38/42,230.58
  6. Step 6: Final answer
    x = 45,975.09

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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.