Home / 30,506.31-42,098.72-17,077.59

Finding the Fourth Proportional to 30,506.31, 42,098.72 and 17,077.59

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Solution

The fourth proportional to 30,506.31, 42,098.72 and 17,077.59 is: 23,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506.31 : 42,098.72 = 17,077.59 : x
  2. Step 2: Convert to fraction form
    30,506.31/42,098.72 = 17,077.59/x
  3. Step 3: Cross multiply
    30,506.31x = 42,098.72 × 17,077.59
  4. Step 4: Simplify right side
    30,506.31x = 718,944,594.30
  5. Step 5: Solve for x
    x = 718,944,594.30/30,506.31
  6. Step 6: Final answer
    x = 23,567.08

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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.