Home / 30,838.04-42,574.83-20,246.24

Finding the Fourth Proportional to 30,838.04, 42,574.83 and 20,246.24

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Solution

The fourth proportional to 30,838.04, 42,574.83 and 20,246.24 is: 27,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.04 : 42,574.83 = 20,246.24 : x
  2. Step 2: Convert to fraction form
    30,838.04/42,574.83 = 20,246.24/x
  3. Step 3: Cross multiply
    30,838.04x = 42,574.83 × 20,246.24
  4. Step 4: Simplify right side
    30,838.04x = 861,980,226.14
  5. Step 5: Solve for x
    x = 861,980,226.14/30,838.04
  6. Step 6: Final answer
    x = 27,951.85

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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.