Home / 39,342.02-59,030.48-20,617.61

Finding the Fourth Proportional to 39,342.02, 59,030.48 and 20,617.61

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Solution

The fourth proportional to 39,342.02, 59,030.48 and 20,617.61 is: 30,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342.02 : 59,030.48 = 20,617.61 : x
  2. Step 2: Convert to fraction form
    39,342.02/59,030.48 = 20,617.61/x
  3. Step 3: Cross multiply
    39,342.02x = 59,030.48 × 20,617.61
  4. Step 4: Simplify right side
    39,342.02x = 1,217,067,267.18
  5. Step 5: Solve for x
    x = 1,217,067,267.18/39,342.02
  6. Step 6: Final answer
    x = 30,935.55

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1.5x scale

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.