Home / 42,723.92-58,875.73-30,764.68

Finding the Fourth Proportional to 42,723.92, 58,875.73 and 30,764.68

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Solution

The fourth proportional to 42,723.92, 58,875.73 and 30,764.68 is: 42,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.92 : 58,875.73 = 30,764.68 : x
  2. Step 2: Convert to fraction form
    42,723.92/58,875.73 = 30,764.68/x
  3. Step 3: Cross multiply
    42,723.92x = 58,875.73 × 30,764.68
  4. Step 4: Simplify right side
    42,723.92x = 1,811,292,769.12
  5. Step 5: Solve for x
    x = 1,811,292,769.12/42,723.92
  6. Step 6: Final answer
    x = 42,395.28

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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.