Home / 39,032.80-58,538.40-15,661.60

Finding the Fourth Proportional to 39,032.80, 58,538.40 and 15,661.60

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Solution

The fourth proportional to 39,032.80, 58,538.40 and 15,661.60 is: 23,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.80 : 58,538.40 = 15,661.60 : x
  2. Step 2: Convert to fraction form
    39,032.80/58,538.40 = 15,661.60/x
  3. Step 3: Cross multiply
    39,032.80x = 58,538.40 × 15,661.60
  4. Step 4: Simplify right side
    39,032.80x = 916,805,005.44
  5. Step 5: Solve for x
    x = 916,805,005.44/39,032.80
  6. Step 6: Final answer
    x = 23,488.07

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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.