Home / 40,856.16-56,381.40-23,872.08

Finding the Fourth Proportional to 40,856.16, 56,381.40 and 23,872.08

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Solution

The fourth proportional to 40,856.16, 56,381.40 and 23,872.08 is: 32,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.16 : 56,381.40 = 23,872.08 : x
  2. Step 2: Convert to fraction form
    40,856.16/56,381.40 = 23,872.08/x
  3. Step 3: Cross multiply
    40,856.16x = 56,381.40 × 23,872.08
  4. Step 4: Simplify right side
    40,856.16x = 1,345,941,291.31
  5. Step 5: Solve for x
    x = 1,345,941,291.31/40,856.16
  6. Step 6: Final answer
    x = 32,943.41

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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.