Home / 39,312.28-54,250.40-22,316.37

Finding the Fourth Proportional to 39,312.28, 54,250.40 and 22,316.37

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Solution

The fourth proportional to 39,312.28, 54,250.40 and 22,316.37 is: 30,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.28 : 54,250.40 = 22,316.37 : x
  2. Step 2: Convert to fraction form
    39,312.28/54,250.40 = 22,316.37/x
  3. Step 3: Cross multiply
    39,312.28x = 54,250.40 × 22,316.37
  4. Step 4: Simplify right side
    39,312.28x = 1,210,672,089.64
  5. Step 5: Solve for x
    x = 1,210,672,089.64/39,312.28
  6. Step 6: Final answer
    x = 30,796.29

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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.