Home / 42,800.40-64,156.84-14,712.02

Finding the Fourth Proportional to 42,800.40, 64,156.84 and 14,712.02

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Solution

The fourth proportional to 42,800.40, 64,156.84 and 14,712.02 is: 22,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,800.40 : 64,156.84 = 14,712.02 : x
  2. Step 2: Convert to fraction form
    42,800.40/64,156.84 = 14,712.02/x
  3. Step 3: Cross multiply
    42,800.40x = 64,156.84 × 14,712.02
  4. Step 4: Simplify right side
    42,800.40x = 943,876,713.22
  5. Step 5: Solve for x
    x = 943,876,713.22/42,800.40
  6. Step 6: Final answer
    x = 22,052.99

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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.