Home / 56,396.88-84,607.20-21,335.76

Finding the Fourth Proportional to 56,396.88, 84,607.20 and 21,335.76

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Solution

The fourth proportional to 56,396.88, 84,607.20 and 21,335.76 is: 32,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.88 : 84,607.20 = 21,335.76 : x
  2. Step 2: Convert to fraction form
    56,396.88/84,607.20 = 21,335.76/x
  3. Step 3: Cross multiply
    56,396.88x = 84,607.20 × 21,335.76
  4. Step 4: Simplify right side
    56,396.88x = 1,805,158,913.47
  5. Step 5: Solve for x
    x = 1,805,158,913.47/56,396.88
  6. Step 6: Final answer
    x = 32,008.13

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1.5x scale

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.