Home / 37,130.23-51,242.43-21,214.34

Finding the Fourth Proportional to 37,130.23, 51,242.43 and 21,214.34

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Solution

The fourth proportional to 37,130.23, 51,242.43 and 21,214.34 is: 29,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.23 : 51,242.43 = 21,214.34 : x
  2. Step 2: Convert to fraction form
    37,130.23/51,242.43 = 21,214.34/x
  3. Step 3: Cross multiply
    37,130.23x = 51,242.43 × 21,214.34
  4. Step 4: Simplify right side
    37,130.23x = 1,087,074,151.30
  5. Step 5: Solve for x
    x = 1,087,074,151.30/37,130.23
  6. Step 6: Final answer
    x = 29,277.33

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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.