Home / 30,298.38-45,448.04-9,521.88

Finding the Fourth Proportional to 30,298.38, 45,448.04 and 9,521.88

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Solution

The fourth proportional to 30,298.38, 45,448.04 and 9,521.88 is: 14,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.38 : 45,448.04 = 9,521.88 : x
  2. Step 2: Convert to fraction form
    30,298.38/45,448.04 = 9,521.88/x
  3. Step 3: Cross multiply
    30,298.38x = 45,448.04 × 9,521.88
  4. Step 4: Simplify right side
    30,298.38x = 432,750,783.12
  5. Step 5: Solve for x
    x = 432,750,783.12/30,298.38
  6. Step 6: Final answer
    x = 14,282.97

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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.