Home / 39,048.72-58,661.40-27,979.92

Finding the Fourth Proportional to 39,048.72, 58,661.40 and 27,979.92

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Solution

The fourth proportional to 39,048.72, 58,661.40 and 27,979.92 is: 42,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,048.72 : 58,661.40 = 27,979.92 : x
  2. Step 2: Convert to fraction form
    39,048.72/58,661.40 = 27,979.92/x
  3. Step 3: Cross multiply
    39,048.72x = 58,661.40 × 27,979.92
  4. Step 4: Simplify right side
    39,048.72x = 1,641,341,279.09
  5. Step 5: Solve for x
    x = 1,641,341,279.09/39,048.72
  6. Step 6: Final answer
    x = 42,033.16

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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.