Home / 39,840.60-59,760.94-10,258.50

Finding the Fourth Proportional to 39,840.60, 59,760.94 and 10,258.50

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Solution

The fourth proportional to 39,840.60, 59,760.94 and 10,258.50 is: 15,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.60 : 59,760.94 = 10,258.50 : x
  2. Step 2: Convert to fraction form
    39,840.60/59,760.94 = 10,258.50/x
  3. Step 3: Cross multiply
    39,840.60x = 59,760.94 × 10,258.50
  4. Step 4: Simplify right side
    39,840.60x = 613,057,602.99
  5. Step 5: Solve for x
    x = 613,057,602.99/39,840.60
  6. Step 6: Final answer
    x = 15,387.76

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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.