Home / 62,802.27-86,645.70-38,920.23

Finding the Fourth Proportional to 62,802.27, 86,645.70 and 38,920.23

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Solution

The fourth proportional to 62,802.27, 86,645.70 and 38,920.23 is: 53,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,802.27 : 86,645.70 = 38,920.23 : x
  2. Step 2: Convert to fraction form
    62,802.27/86,645.70 = 38,920.23/x
  3. Step 3: Cross multiply
    62,802.27x = 86,645.70 × 38,920.23
  4. Step 4: Simplify right side
    62,802.27x = 3,372,270,572.51
  5. Step 5: Solve for x
    x = 3,372,270,572.51/62,802.27
  6. Step 6: Final answer
    x = 53,696.64

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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.