Home / 39,417.22-54,415.83-30,444.58

Finding the Fourth Proportional to 39,417.22, 54,415.83 and 30,444.58

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Solution

The fourth proportional to 39,417.22, 54,415.83 and 30,444.58 is: 42,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.22 : 54,415.83 = 30,444.58 : x
  2. Step 2: Convert to fraction form
    39,417.22/54,415.83 = 30,444.58/x
  3. Step 3: Cross multiply
    39,417.22x = 54,415.83 × 30,444.58
  4. Step 4: Simplify right side
    39,417.22x = 1,656,667,089.70
  5. Step 5: Solve for x
    x = 1,656,667,089.70/39,417.22
  6. Step 6: Final answer
    x = 42,029.02

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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.