Home / 42,784.45-64,187.61-16,482.13

Finding the Fourth Proportional to 42,784.45, 64,187.61 and 16,482.13

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Solution

The fourth proportional to 42,784.45, 64,187.61 and 16,482.13 is: 24,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,784.45 : 64,187.61 = 16,482.13 : x
  2. Step 2: Convert to fraction form
    42,784.45/64,187.61 = 16,482.13/x
  3. Step 3: Cross multiply
    42,784.45x = 64,187.61 × 16,482.13
  4. Step 4: Simplify right side
    42,784.45x = 1,057,948,532.41
  5. Step 5: Solve for x
    x = 1,057,948,532.41/42,784.45
  6. Step 6: Final answer
    x = 24,727.41

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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.