Home / 30,070.65-45,105.48-10,349.38

Finding the Fourth Proportional to 30,070.65, 45,105.48 and 10,349.38

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Solution

The fourth proportional to 30,070.65, 45,105.48 and 10,349.38 is: 15,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.65 : 45,105.48 = 10,349.38 : x
  2. Step 2: Convert to fraction form
    30,070.65/45,105.48 = 10,349.38/x
  3. Step 3: Cross multiply
    30,070.65x = 45,105.48 × 10,349.38
  4. Step 4: Simplify right side
    30,070.65x = 466,813,752.60
  5. Step 5: Solve for x
    x = 466,813,752.60/30,070.65
  6. Step 6: Final answer
    x = 15,523.90

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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.