Home / 42,776.96-64,170.12-14,699.12

Finding the Fourth Proportional to 42,776.96, 64,170.12 and 14,699.12

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Solution

The fourth proportional to 42,776.96, 64,170.12 and 14,699.12 is: 22,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776.96 : 64,170.12 = 14,699.12 : x
  2. Step 2: Convert to fraction form
    42,776.96/64,170.12 = 14,699.12/x
  3. Step 3: Cross multiply
    42,776.96x = 64,170.12 × 14,699.12
  4. Step 4: Simplify right side
    42,776.96x = 943,244,294.29
  5. Step 5: Solve for x
    x = 943,244,294.29/42,776.96
  6. Step 6: Final answer
    x = 22,050.29

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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.