Home / 30,574.58-42,175.02-19,226.10

Finding the Fourth Proportional to 30,574.58, 42,175.02 and 19,226.10

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Solution

The fourth proportional to 30,574.58, 42,175.02 and 19,226.10 is: 26,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574.58 : 42,175.02 = 19,226.10 : x
  2. Step 2: Convert to fraction form
    30,574.58/42,175.02 = 19,226.10/x
  3. Step 3: Cross multiply
    30,574.58x = 42,175.02 × 19,226.10
  4. Step 4: Simplify right side
    30,574.58x = 810,861,152.02
  5. Step 5: Solve for x
    x = 810,861,152.02/30,574.58
  6. Step 6: Final answer
    x = 26,520.76

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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.