Home / 39,826.40-59,624.40-35,679.20

Finding the Fourth Proportional to 39,826.40, 59,624.40 and 35,679.20

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Solution

The fourth proportional to 39,826.40, 59,624.40 and 35,679.20 is: 53,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.40 : 59,624.40 = 35,679.20 : x
  2. Step 2: Convert to fraction form
    39,826.40/59,624.40 = 35,679.20/x
  3. Step 3: Cross multiply
    39,826.40x = 59,624.40 × 35,679.20
  4. Step 4: Simplify right side
    39,826.40x = 2,127,350,892.48
  5. Step 5: Solve for x
    x = 2,127,350,892.48/39,826.40
  6. Step 6: Final answer
    x = 53,415.60

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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.