Home / 39,734.20-59,633.70-38,438.20

Finding the Fourth Proportional to 39,734.20, 59,633.70 and 38,438.20

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Solution

The fourth proportional to 39,734.20, 59,633.70 and 38,438.20 is: 57,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.20 : 59,633.70 = 38,438.20 : x
  2. Step 2: Convert to fraction form
    39,734.20/59,633.70 = 38,438.20/x
  3. Step 3: Cross multiply
    39,734.20x = 59,633.70 × 38,438.20
  4. Step 4: Simplify right side
    39,734.20x = 2,292,212,087.34
  5. Step 5: Solve for x
    x = 2,292,212,087.34/39,734.20
  6. Step 6: Final answer
    x = 57,688.64

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1.5x scale

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.