Home / 38,522.08-53,159.82-21,526.57

Finding the Fourth Proportional to 38,522.08, 53,159.82 and 21,526.57

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Solution

The fourth proportional to 38,522.08, 53,159.82 and 21,526.57 is: 29,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.08 : 53,159.82 = 21,526.57 : x
  2. Step 2: Convert to fraction form
    38,522.08/53,159.82 = 21,526.57/x
  3. Step 3: Cross multiply
    38,522.08x = 53,159.82 × 21,526.57
  4. Step 4: Simplify right side
    38,522.08x = 1,144,348,586.42
  5. Step 5: Solve for x
    x = 1,144,348,586.42/38,522.08
  6. Step 6: Final answer
    x = 29,706.30

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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.