Home / 30,484.73-42,069.68-17,055.87

Finding the Fourth Proportional to 30,484.73, 42,069.68 and 17,055.87

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Solution

The fourth proportional to 30,484.73, 42,069.68 and 17,055.87 is: 23,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.73 : 42,069.68 = 17,055.87 : x
  2. Step 2: Convert to fraction form
    30,484.73/42,069.68 = 17,055.87/x
  3. Step 3: Cross multiply
    30,484.73x = 42,069.68 × 17,055.87
  4. Step 4: Simplify right side
    30,484.73x = 717,534,813.94
  5. Step 5: Solve for x
    x = 717,534,813.94/30,484.73
  6. Step 6: Final answer
    x = 23,537.52

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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.