Home / 39,999.70-55,182.49-28,070.83

Finding the Fourth Proportional to 39,999.70, 55,182.49 and 28,070.83

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Solution

The fourth proportional to 39,999.70, 55,182.49 and 28,070.83 is: 38,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.70 : 55,182.49 = 28,070.83 : x
  2. Step 2: Convert to fraction form
    39,999.70/55,182.49 = 28,070.83/x
  3. Step 3: Cross multiply
    39,999.70x = 55,182.49 × 28,070.83
  4. Step 4: Simplify right side
    39,999.70x = 1,549,018,295.77
  5. Step 5: Solve for x
    x = 1,549,018,295.77/39,999.70
  6. Step 6: Final answer
    x = 38,725.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.