Home / 30,904.59-42,649.17-17,477.85

Finding the Fourth Proportional to 30,904.59, 42,649.17 and 17,477.85

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Solution

The fourth proportional to 30,904.59, 42,649.17 and 17,477.85 is: 24,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.59 : 42,649.17 = 17,477.85 : x
  2. Step 2: Convert to fraction form
    30,904.59/42,649.17 = 17,477.85/x
  3. Step 3: Cross multiply
    30,904.59x = 42,649.17 × 17,477.85
  4. Step 4: Simplify right side
    30,904.59x = 745,415,795.88
  5. Step 5: Solve for x
    x = 745,415,795.88/30,904.59
  6. Step 6: Final answer
    x = 24,119.91

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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.