Home / 39,879.11-59,347.93-38,550.31

Finding the Fourth Proportional to 39,879.11, 59,347.93 and 38,550.31

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Solution

The fourth proportional to 39,879.11, 59,347.93 and 38,550.31 is: 57,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.11 : 59,347.93 = 38,550.31 : x
  2. Step 2: Convert to fraction form
    39,879.11/59,347.93 = 38,550.31/x
  3. Step 3: Cross multiply
    39,879.11x = 59,347.93 × 38,550.31
  4. Step 4: Simplify right side
    39,879.11x = 2,287,880,802.62
  5. Step 5: Solve for x
    x = 2,287,880,802.62/39,879.11
  6. Step 6: Final answer
    x = 57,370.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.