Home / 39,858.22-59,790.77-10,275.80

Finding the Fourth Proportional to 39,858.22, 59,790.77 and 10,275.80

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Solution

The fourth proportional to 39,858.22, 59,790.77 and 10,275.80 is: 15,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.22 : 59,790.77 = 10,275.80 : x
  2. Step 2: Convert to fraction form
    39,858.22/59,790.77 = 10,275.80/x
  3. Step 3: Cross multiply
    39,858.22x = 59,790.77 × 10,275.80
  4. Step 4: Simplify right side
    39,858.22x = 614,397,980.36
  5. Step 5: Solve for x
    x = 614,397,980.36/39,858.22
  6. Step 6: Final answer
    x = 15,414.59

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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.