Home / 30,298.39-45,447.11-9,521.89

Finding the Fourth Proportional to 30,298.39, 45,447.11 and 9,521.89

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Solution

The fourth proportional to 30,298.39, 45,447.11 and 9,521.89 is: 14,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.39 : 45,447.11 = 9,521.89 : x
  2. Step 2: Convert to fraction form
    30,298.39/45,447.11 = 9,521.89/x
  3. Step 3: Cross multiply
    30,298.39x = 45,447.11 × 9,521.89
  4. Step 4: Simplify right side
    30,298.39x = 432,742,382.24
  5. Step 5: Solve for x
    x = 432,742,382.24/30,298.39
  6. Step 6: Final answer
    x = 14,282.69

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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.