Home / 42,975.14-64,441.80-14,896.80

Finding the Fourth Proportional to 42,975.14, 64,441.80 and 14,896.80

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Solution

The fourth proportional to 42,975.14, 64,441.80 and 14,896.80 is: 22,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.14 : 64,441.80 = 14,896.80 : x
  2. Step 2: Convert to fraction form
    42,975.14/64,441.80 = 14,896.80/x
  3. Step 3: Cross multiply
    42,975.14x = 64,441.80 × 14,896.80
  4. Step 4: Simplify right side
    42,975.14x = 959,976,606.24
  5. Step 5: Solve for x
    x = 959,976,606.24/42,975.14
  6. Step 6: Final answer
    x = 22,337.95

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1.5x scale

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.