Home / 30,284.59-45,428.81-9,508.91

Finding the Fourth Proportional to 30,284.59, 45,428.81 and 9,508.91

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Solution

The fourth proportional to 30,284.59, 45,428.81 and 9,508.91 is: 14,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.59 : 45,428.81 = 9,508.91 : x
  2. Step 2: Convert to fraction form
    30,284.59/45,428.81 = 9,508.91/x
  3. Step 3: Cross multiply
    30,284.59x = 45,428.81 × 9,508.91
  4. Step 4: Simplify right side
    30,284.59x = 431,978,465.70
  5. Step 5: Solve for x
    x = 431,978,465.70/30,284.59
  6. Step 6: Final answer
    x = 14,263.97

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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.