Home / 53,014.32-79,531.20-17,477.73

Finding the Fourth Proportional to 53,014.32, 79,531.20 and 17,477.73

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Solution

The fourth proportional to 53,014.32, 79,531.20 and 17,477.73 is: 26,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.32 : 79,531.20 = 17,477.73 : x
  2. Step 2: Convert to fraction form
    53,014.32/79,531.20 = 17,477.73/x
  3. Step 3: Cross multiply
    53,014.32x = 79,531.20 × 17,477.73
  4. Step 4: Simplify right side
    53,014.32x = 1,390,024,840.18
  5. Step 5: Solve for x
    x = 1,390,024,840.18/53,014.32
  6. Step 6: Final answer
    x = 26,219.80

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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.