Home / 35,422.24-53,123.28-12,048.16

Finding the Fourth Proportional to 35,422.24, 53,123.28 and 12,048.16

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Solution

The fourth proportional to 35,422.24, 53,123.28 and 12,048.16 is: 18,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.24 : 53,123.28 = 12,048.16 : x
  2. Step 2: Convert to fraction form
    35,422.24/53,123.28 = 12,048.16/x
  3. Step 3: Cross multiply
    35,422.24x = 53,123.28 × 12,048.16
  4. Step 4: Simplify right side
    35,422.24x = 640,037,777.16
  5. Step 5: Solve for x
    x = 640,037,777.16/35,422.24
  6. Step 6: Final answer
    x = 18,068.81

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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.