Home / 39,890.20-59,867.70-38,594.20

Finding the Fourth Proportional to 39,890.20, 59,867.70 and 38,594.20

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Solution

The fourth proportional to 39,890.20, 59,867.70 and 38,594.20 is: 57,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.20 : 59,867.70 = 38,594.20 : x
  2. Step 2: Convert to fraction form
    39,890.20/59,867.70 = 38,594.20/x
  3. Step 3: Cross multiply
    39,890.20x = 59,867.70 × 38,594.20
  4. Step 4: Simplify right side
    39,890.20x = 2,310,545,987.34
  5. Step 5: Solve for x
    x = 2,310,545,987.34/39,890.20
  6. Step 6: Final answer
    x = 57,922.65

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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.