Home / 38,498.07-53,127.33-20,834.07

Finding the Fourth Proportional to 38,498.07, 53,127.33 and 20,834.07

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Solution

The fourth proportional to 38,498.07, 53,127.33 and 20,834.07 is: 28,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.07 : 53,127.33 = 20,834.07 : x
  2. Step 2: Convert to fraction form
    38,498.07/53,127.33 = 20,834.07/x
  3. Step 3: Cross multiply
    38,498.07x = 53,127.33 × 20,834.07
  4. Step 4: Simplify right side
    38,498.07x = 1,106,858,142.33
  5. Step 5: Solve for x
    x = 1,106,858,142.33/38,498.07
  6. Step 6: Final answer
    x = 28,751.01

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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.