Home / 38,767.24-53,498.64-21,769.12

Finding the Fourth Proportional to 38,767.24, 53,498.64 and 21,769.12

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Solution

The fourth proportional to 38,767.24, 53,498.64 and 21,769.12 is: 30,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,767.24 : 53,498.64 = 21,769.12 : x
  2. Step 2: Convert to fraction form
    38,767.24/53,498.64 = 21,769.12/x
  3. Step 3: Cross multiply
    38,767.24x = 53,498.64 × 21,769.12
  4. Step 4: Simplify right side
    38,767.24x = 1,164,618,314.00
  5. Step 5: Solve for x
    x = 1,164,618,314.00/38,767.24
  6. Step 6: Final answer
    x = 30,041.30

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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.