Home / 31,424.99-47,127.46-10,361.10

Finding the Fourth Proportional to 31,424.99, 47,127.46 and 10,361.10

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Solution

The fourth proportional to 31,424.99, 47,127.46 and 10,361.10 is: 15,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.99 : 47,127.46 = 10,361.10 : x
  2. Step 2: Convert to fraction form
    31,424.99/47,127.46 = 10,361.10/x
  3. Step 3: Cross multiply
    31,424.99x = 47,127.46 × 10,361.10
  4. Step 4: Simplify right side
    31,424.99x = 488,292,325.81
  5. Step 5: Solve for x
    x = 488,292,325.81/31,424.99
  6. Step 6: Final answer
    x = 15,538.34

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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.