Home / 30,761.02-42,455.64-29,358.62

Finding the Fourth Proportional to 30,761.02, 42,455.64 and 29,358.62

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Solution

The fourth proportional to 30,761.02, 42,455.64 and 29,358.62 is: 40,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.02 : 42,455.64 = 29,358.62 : x
  2. Step 2: Convert to fraction form
    30,761.02/42,455.64 = 29,358.62/x
  3. Step 3: Cross multiply
    30,761.02x = 42,455.64 × 29,358.62
  4. Step 4: Simplify right side
    30,761.02x = 1,246,439,001.62
  5. Step 5: Solve for x
    x = 1,246,439,001.62/30,761.02
  6. Step 6: Final answer
    x = 40,520.08

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1.5x scale

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.