Home / 35,826.18-53,739.63-13,639.74

Finding the Fourth Proportional to 35,826.18, 53,739.63 and 13,639.74

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Solution

The fourth proportional to 35,826.18, 53,739.63 and 13,639.74 is: 20,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,826.18 : 53,739.63 = 13,639.74 : x
  2. Step 2: Convert to fraction form
    35,826.18/53,739.63 = 13,639.74/x
  3. Step 3: Cross multiply
    35,826.18x = 53,739.63 × 13,639.74
  4. Step 4: Simplify right side
    35,826.18x = 732,994,580.90
  5. Step 5: Solve for x
    x = 732,994,580.90/35,826.18
  6. Step 6: Final answer
    x = 20,459.75

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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.