Home / 39,213.04-54,077.10-30,246.34

Finding the Fourth Proportional to 39,213.04, 54,077.10 and 30,246.34

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Solution

The fourth proportional to 39,213.04, 54,077.10 and 30,246.34 is: 41,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.04 : 54,077.10 = 30,246.34 : x
  2. Step 2: Convert to fraction form
    39,213.04/54,077.10 = 30,246.34/x
  3. Step 3: Cross multiply
    39,213.04x = 54,077.10 × 30,246.34
  4. Step 4: Simplify right side
    39,213.04x = 1,635,634,352.81
  5. Step 5: Solve for x
    x = 1,635,634,352.81/39,213.04
  6. Step 6: Final answer
    x = 41,711.49

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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.