Home / 30,854.84-42,577.20-17,429.36

Finding the Fourth Proportional to 30,854.84, 42,577.20 and 17,429.36

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Solution

The fourth proportional to 30,854.84, 42,577.20 and 17,429.36 is: 24,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.84 : 42,577.20 = 17,429.36 : x
  2. Step 2: Convert to fraction form
    30,854.84/42,577.20 = 17,429.36/x
  3. Step 3: Cross multiply
    30,854.84x = 42,577.20 × 17,429.36
  4. Step 4: Simplify right side
    30,854.84x = 742,093,346.59
  5. Step 5: Solve for x
    x = 742,093,346.59/30,854.84
  6. Step 6: Final answer
    x = 24,051.12

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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.