Home / 40,278.02-55,583.64-22,374.69

Finding the Fourth Proportional to 40,278.02, 55,583.64 and 22,374.69

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Solution

The fourth proportional to 40,278.02, 55,583.64 and 22,374.69 is: 30,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.02 : 55,583.64 = 22,374.69 : x
  2. Step 2: Convert to fraction form
    40,278.02/55,583.64 = 22,374.69/x
  3. Step 3: Cross multiply
    40,278.02x = 55,583.64 × 22,374.69
  4. Step 4: Simplify right side
    40,278.02x = 1,243,666,602.20
  5. Step 5: Solve for x
    x = 1,243,666,602.20/40,278.02
  6. Step 6: Final answer
    x = 30,877.06

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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.