Home / 40,727.05-56,237.55-30,637.96

Finding the Fourth Proportional to 40,727.05, 56,237.55 and 30,637.96

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Solution

The fourth proportional to 40,727.05, 56,237.55 and 30,637.96 is: 42,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,727.05 : 56,237.55 = 30,637.96 : x
  2. Step 2: Convert to fraction form
    40,727.05/56,237.55 = 30,637.96/x
  3. Step 3: Cross multiply
    40,727.05x = 56,237.55 × 30,637.96
  4. Step 4: Simplify right side
    40,727.05x = 1,723,003,807.40
  5. Step 5: Solve for x
    x = 1,723,003,807.40/40,727.05
  6. Step 6: Final answer
    x = 42,306.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.