Home / 30,070.83-45,105.76-10,349.56

Finding the Fourth Proportional to 30,070.83, 45,105.76 and 10,349.56

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Solution

The fourth proportional to 30,070.83, 45,105.76 and 10,349.56 is: 15,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.83 : 45,105.76 = 10,349.56 : x
  2. Step 2: Convert to fraction form
    30,070.83/45,105.76 = 10,349.56/x
  3. Step 3: Cross multiply
    30,070.83x = 45,105.76 × 10,349.56
  4. Step 4: Simplify right side
    30,070.83x = 466,824,769.47
  5. Step 5: Solve for x
    x = 466,824,769.47/30,070.83
  6. Step 6: Final answer
    x = 15,524.17

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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.