Home / 35,439.06-53,142.66-10,470.41

Finding the Fourth Proportional to 35,439.06, 53,142.66 and 10,470.41

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Solution

The fourth proportional to 35,439.06, 53,142.66 and 10,470.41 is: 15,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.06 : 53,142.66 = 10,470.41 : x
  2. Step 2: Convert to fraction form
    35,439.06/53,142.66 = 10,470.41/x
  3. Step 3: Cross multiply
    35,439.06x = 53,142.66 × 10,470.41
  4. Step 4: Simplify right side
    35,439.06x = 556,425,172.98
  5. Step 5: Solve for x
    x = 556,425,172.98/35,439.06
  6. Step 6: Final answer
    x = 15,700.90

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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.