Home / 39,512.28-54,527-21,607.23

Finding the Fourth Proportional to 39,512.28, 54,527 and 21,607.23

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Solution

The fourth proportional to 39,512.28, 54,527 and 21,607.23 is: 29,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.28 : 54,527 = 21,607.23 : x
  2. Step 2: Convert to fraction form
    39,512.28/54,527 = 21,607.23/x
  3. Step 3: Cross multiply
    39,512.28x = 54,527 × 21,607.23
  4. Step 4: Simplify right side
    39,512.28x = 1,178,177,430.21
  5. Step 5: Solve for x
    x = 1,178,177,430.21/39,512.28
  6. Step 6: Final answer
    x = 29,818.01

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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.