Home / 42,815.31-64,206.99-14,727.42

Finding the Fourth Proportional to 42,815.31, 64,206.99 and 14,727.42

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Solution

The fourth proportional to 42,815.31, 64,206.99 and 14,727.42 is: 22,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,815.31 : 64,206.99 = 14,727.42 : x
  2. Step 2: Convert to fraction form
    42,815.31/64,206.99 = 14,727.42/x
  3. Step 3: Cross multiply
    42,815.31x = 64,206.99 × 14,727.42
  4. Step 4: Simplify right side
    42,815.31x = 945,603,308.67
  5. Step 5: Solve for x
    x = 945,603,308.67/42,815.31
  6. Step 6: Final answer
    x = 22,085.63

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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.