Home / 38,527.12-53,164.74-21,756.88

Finding the Fourth Proportional to 38,527.12, 53,164.74 and 21,756.88

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Solution

The fourth proportional to 38,527.12, 53,164.74 and 21,756.88 is: 30,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.12 : 53,164.74 = 21,756.88 : x
  2. Step 2: Convert to fraction form
    38,527.12/53,164.74 = 21,756.88/x
  3. Step 3: Cross multiply
    38,527.12x = 53,164.74 × 21,756.88
  4. Step 4: Simplify right side
    38,527.12x = 1,156,698,868.41
  5. Step 5: Solve for x
    x = 1,156,698,868.41/38,527.12
  6. Step 6: Final answer
    x = 30,022.98

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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.