Home / 42,835.09-64,182.41-30,332.66

Finding the Fourth Proportional to 42,835.09, 64,182.41 and 30,332.66

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Solution

The fourth proportional to 42,835.09, 64,182.41 and 30,332.66 is: 45,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,835.09 : 64,182.41 = 30,332.66 : x
  2. Step 2: Convert to fraction form
    42,835.09/64,182.41 = 30,332.66/x
  3. Step 3: Cross multiply
    42,835.09x = 64,182.41 × 30,332.66
  4. Step 4: Simplify right side
    42,835.09x = 1,946,823,621.44
  5. Step 5: Solve for x
    x = 1,946,823,621.44/42,835.09
  6. Step 6: Final answer
    x = 45,449.27

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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.