Home / 30,216.29-45,312.61-11,486.39

Finding the Fourth Proportional to 30,216.29, 45,312.61 and 11,486.39

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Solution

The fourth proportional to 30,216.29, 45,312.61 and 11,486.39 is: 17,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.29 : 45,312.61 = 11,486.39 : x
  2. Step 2: Convert to fraction form
    30,216.29/45,312.61 = 11,486.39/x
  3. Step 3: Cross multiply
    30,216.29x = 45,312.61 × 11,486.39
  4. Step 4: Simplify right side
    30,216.29x = 520,478,310.38
  5. Step 5: Solve for x
    x = 520,478,310.38/30,216.29
  6. Step 6: Final answer
    x = 17,225.09

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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.