Home / 35,826.40-53,701.20-13,631.20

Finding the Fourth Proportional to 35,826.40, 53,701.20 and 13,631.20

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Solution

The fourth proportional to 35,826.40, 53,701.20 and 13,631.20 is: 20,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,826.40 : 53,701.20 = 13,631.20 : x
  2. Step 2: Convert to fraction form
    35,826.40/53,701.20 = 13,631.20/x
  3. Step 3: Cross multiply
    35,826.40x = 53,701.20 × 13,631.20
  4. Step 4: Simplify right side
    35,826.40x = 732,011,797.44
  5. Step 5: Solve for x
    x = 732,011,797.44/35,826.40
  6. Step 6: Final answer
    x = 20,432.19

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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.