Home / 39,722.20-59,615.70-38,426.20

Finding the Fourth Proportional to 39,722.20, 59,615.70 and 38,426.20

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Solution

The fourth proportional to 39,722.20, 59,615.70 and 38,426.20 is: 57,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.20 : 59,615.70 = 38,426.20 : x
  2. Step 2: Convert to fraction form
    39,722.20/59,615.70 = 38,426.20/x
  3. Step 3: Cross multiply
    39,722.20x = 59,615.70 × 38,426.20
  4. Step 4: Simplify right side
    39,722.20x = 2,290,804,811.34
  5. Step 5: Solve for x
    x = 2,290,804,811.34/39,722.20
  6. Step 6: Final answer
    x = 57,670.64

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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.