Home / 38,527.70-53,161.43-21,526.50

Finding the Fourth Proportional to 38,527.70, 53,161.43 and 21,526.50

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Solution

The fourth proportional to 38,527.70, 53,161.43 and 21,526.50 is: 29,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.70 : 53,161.43 = 21,526.50 : x
  2. Step 2: Convert to fraction form
    38,527.70/53,161.43 = 21,526.50/x
  3. Step 3: Cross multiply
    38,527.70x = 53,161.43 × 21,526.50
  4. Step 4: Simplify right side
    38,527.70x = 1,144,379,576.71
  5. Step 5: Solve for x
    x = 1,144,379,576.71/38,527.70
  6. Step 6: Final answer
    x = 29,702.78

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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.