Home / 38,751.57-53,480.25-21,756.93

Finding the Fourth Proportional to 38,751.57, 53,480.25 and 21,756.93

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Solution

The fourth proportional to 38,751.57, 53,480.25 and 21,756.93 is: 30,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.57 : 53,480.25 = 21,756.93 : x
  2. Step 2: Convert to fraction form
    38,751.57/53,480.25 = 21,756.93/x
  3. Step 3: Cross multiply
    38,751.57x = 53,480.25 × 21,756.93
  4. Step 4: Simplify right side
    38,751.57x = 1,163,566,055.63
  5. Step 5: Solve for x
    x = 1,163,566,055.63/38,751.57
  6. Step 6: Final answer
    x = 30,026.29

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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.