Home / 39,865.90-59,797.35-9,880.23

Finding the Fourth Proportional to 39,865.90, 59,797.35 and 9,880.23

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Solution

The fourth proportional to 39,865.90, 59,797.35 and 9,880.23 is: 14,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.90 : 59,797.35 = 9,880.23 : x
  2. Step 2: Convert to fraction form
    39,865.90/59,797.35 = 9,880.23/x
  3. Step 3: Cross multiply
    39,865.90x = 59,797.35 × 9,880.23
  4. Step 4: Simplify right side
    39,865.90x = 590,811,272.40
  5. Step 5: Solve for x
    x = 590,811,272.40/39,865.90
  6. Step 6: Final answer
    x = 14,819.97

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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.