Home / 53,226.52-79,840.02-13,780.84

Finding the Fourth Proportional to 53,226.52, 79,840.02 and 13,780.84

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Solution

The fourth proportional to 53,226.52, 79,840.02 and 13,780.84 is: 20,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,226.52 : 79,840.02 = 13,780.84 : x
  2. Step 2: Convert to fraction form
    53,226.52/79,840.02 = 13,780.84/x
  3. Step 3: Cross multiply
    53,226.52x = 79,840.02 × 13,780.84
  4. Step 4: Simplify right side
    53,226.52x = 1,100,262,541.22
  5. Step 5: Solve for x
    x = 1,100,262,541.22/53,226.52
  6. Step 6: Final answer
    x = 20,671.32

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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.