Home / 39,298.64-54,232.34-21,393.59

Finding the Fourth Proportional to 39,298.64, 54,232.34 and 21,393.59

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Solution

The fourth proportional to 39,298.64, 54,232.34 and 21,393.59 is: 29,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.64 : 54,232.34 = 21,393.59 : x
  2. Step 2: Convert to fraction form
    39,298.64/54,232.34 = 21,393.59/x
  3. Step 3: Cross multiply
    39,298.64x = 54,232.34 × 21,393.59
  4. Step 4: Simplify right side
    39,298.64x = 1,160,224,068.57
  5. Step 5: Solve for x
    x = 1,160,224,068.57/39,298.64
  6. Step 6: Final answer
    x = 29,523.27

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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.