Home / 35,862.28-53,800.72-12,490.54

Finding the Fourth Proportional to 35,862.28, 53,800.72 and 12,490.54

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Solution

The fourth proportional to 35,862.28, 53,800.72 and 12,490.54 is: 18,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.28 : 53,800.72 = 12,490.54 : x
  2. Step 2: Convert to fraction form
    35,862.28/53,800.72 = 12,490.54/x
  3. Step 3: Cross multiply
    35,862.28x = 53,800.72 × 12,490.54
  4. Step 4: Simplify right side
    35,862.28x = 672,000,045.19
  5. Step 5: Solve for x
    x = 672,000,045.19/35,862.28
  6. Step 6: Final answer
    x = 18,738.35

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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.