Home / 38,527.81-53,168.58-21,532.34

Finding the Fourth Proportional to 38,527.81, 53,168.58 and 21,532.34

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Solution

The fourth proportional to 38,527.81, 53,168.58 and 21,532.34 is: 29,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.81 : 53,168.58 = 21,532.34 : x
  2. Step 2: Convert to fraction form
    38,527.81/53,168.58 = 21,532.34/x
  3. Step 3: Cross multiply
    38,527.81x = 53,168.58 × 21,532.34
  4. Step 4: Simplify right side
    38,527.81x = 1,144,843,941.88
  5. Step 5: Solve for x
    x = 1,144,843,941.88/38,527.81
  6. Step 6: Final answer
    x = 29,714.74

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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.