Home / 35,478.46-53,227.97-10,518.99

Finding the Fourth Proportional to 35,478.46, 53,227.97 and 10,518.99

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Solution

The fourth proportional to 35,478.46, 53,227.97 and 10,518.99 is: 15,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.46 : 53,227.97 = 10,518.99 : x
  2. Step 2: Convert to fraction form
    35,478.46/53,227.97 = 10,518.99/x
  3. Step 3: Cross multiply
    35,478.46x = 53,227.97 × 10,518.99
  4. Step 4: Simplify right side
    35,478.46x = 559,904,271.40
  5. Step 5: Solve for x
    x = 559,904,271.40/35,478.46
  6. Step 6: Final answer
    x = 15,781.53

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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.