Home / 39,079.56-53,928.54-22,312.56

Finding the Fourth Proportional to 39,079.56, 53,928.54 and 22,312.56

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Solution

The fourth proportional to 39,079.56, 53,928.54 and 22,312.56 is: 30,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079.56 : 53,928.54 = 22,312.56 : x
  2. Step 2: Convert to fraction form
    39,079.56/53,928.54 = 22,312.56/x
  3. Step 3: Cross multiply
    39,079.56x = 53,928.54 × 22,312.56
  4. Step 4: Simplify right side
    39,079.56x = 1,203,283,784.46
  5. Step 5: Solve for x
    x = 1,203,283,784.46/39,079.56
  6. Step 6: Final answer
    x = 30,790.62

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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.