Home / 30,760.02-42,454.26-29,357.62

Finding the Fourth Proportional to 30,760.02, 42,454.26 and 29,357.62

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Solution

The fourth proportional to 30,760.02, 42,454.26 and 29,357.62 is: 40,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.02 : 42,454.26 = 29,357.62 : x
  2. Step 2: Convert to fraction form
    30,760.02/42,454.26 = 29,357.62/x
  3. Step 3: Cross multiply
    30,760.02x = 42,454.26 × 29,357.62
  4. Step 4: Simplify right side
    30,760.02x = 1,246,356,032.46
  5. Step 5: Solve for x
    x = 1,246,356,032.46/30,760.02
  6. Step 6: Final answer
    x = 40,518.70

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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.