Home / 36,070.56-49,766.40-21,918.24

Finding the Fourth Proportional to 36,070.56, 49,766.40 and 21,918.24

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Solution

The fourth proportional to 36,070.56, 49,766.40 and 21,918.24 is: 30,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.56 : 49,766.40 = 21,918.24 : x
  2. Step 2: Convert to fraction form
    36,070.56/49,766.40 = 21,918.24/x
  3. Step 3: Cross multiply
    36,070.56x = 49,766.40 × 21,918.24
  4. Step 4: Simplify right side
    36,070.56x = 1,090,791,899.14
  5. Step 5: Solve for x
    x = 1,090,791,899.14/36,070.56
  6. Step 6: Final answer
    x = 30,240.50

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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.