Home / 36,005.92-53,904.29-20,967.19

Finding the Fourth Proportional to 36,005.92, 53,904.29 and 20,967.19

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Solution

The fourth proportional to 36,005.92, 53,904.29 and 20,967.19 is: 31,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.92 : 53,904.29 = 20,967.19 : x
  2. Step 2: Convert to fraction form
    36,005.92/53,904.29 = 20,967.19/x
  3. Step 3: Cross multiply
    36,005.92x = 53,904.29 × 20,967.19
  4. Step 4: Simplify right side
    36,005.92x = 1,130,221,250.65
  5. Step 5: Solve for x
    x = 1,130,221,250.65/36,005.92
  6. Step 6: Final answer
    x = 31,389.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.