Home / 36,070.13-49,782.24-21,920.24

Finding the Fourth Proportional to 36,070.13, 49,782.24 and 21,920.24

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Solution

The fourth proportional to 36,070.13, 49,782.24 and 21,920.24 is: 30,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.13 : 49,782.24 = 21,920.24 : x
  2. Step 2: Convert to fraction form
    36,070.13/49,782.24 = 21,920.24/x
  3. Step 3: Cross multiply
    36,070.13x = 49,782.24 × 21,920.24
  4. Step 4: Simplify right side
    36,070.13x = 1,091,238,399.63
  5. Step 5: Solve for x
    x = 1,091,238,399.63/36,070.13
  6. Step 6: Final answer
    x = 30,253.25

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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.