Home / 42,756.12-64,133.94-14,695.80

Finding the Fourth Proportional to 42,756.12, 64,133.94 and 14,695.80

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Solution

The fourth proportional to 42,756.12, 64,133.94 and 14,695.80 is: 22,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,756.12 : 64,133.94 = 14,695.80 : x
  2. Step 2: Convert to fraction form
    42,756.12/64,133.94 = 14,695.80/x
  3. Step 3: Cross multiply
    42,756.12x = 64,133.94 × 14,695.80
  4. Step 4: Simplify right side
    42,756.12x = 942,499,555.45
  5. Step 5: Solve for x
    x = 942,499,555.45/42,756.12
  6. Step 6: Final answer
    x = 22,043.62

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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.