Home / 56,611.04-84,931.13-21,531.56

Finding the Fourth Proportional to 56,611.04, 84,931.13 and 21,531.56

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Solution

The fourth proportional to 56,611.04, 84,931.13 and 21,531.56 is: 32,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.04 : 84,931.13 = 21,531.56 : x
  2. Step 2: Convert to fraction form
    56,611.04/84,931.13 = 21,531.56/x
  3. Step 3: Cross multiply
    56,611.04x = 84,931.13 × 21,531.56
  4. Step 4: Simplify right side
    56,611.04x = 1,828,699,350.64
  5. Step 5: Solve for x
    x = 1,828,699,350.64/56,611.04
  6. Step 6: Final answer
    x = 32,302.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.