Home / 38,374.10-52,956.21-21,607.22

Finding the Fourth Proportional to 38,374.10, 52,956.21 and 21,607.22

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Solution

The fourth proportional to 38,374.10, 52,956.21 and 21,607.22 is: 29,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.10 : 52,956.21 = 21,607.22 : x
  2. Step 2: Convert to fraction form
    38,374.10/52,956.21 = 21,607.22/x
  3. Step 3: Cross multiply
    38,374.10x = 52,956.21 × 21,607.22
  4. Step 4: Simplify right side
    38,374.10x = 1,144,236,479.84
  5. Step 5: Solve for x
    x = 1,144,236,479.84/38,374.10
  6. Step 6: Final answer
    x = 29,817.94

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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.