Home / 30,417.18-41,975.30-17,677.57

Finding the Fourth Proportional to 30,417.18, 41,975.30 and 17,677.57

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Solution

The fourth proportional to 30,417.18, 41,975.30 and 17,677.57 is: 24,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.18 : 41,975.30 = 17,677.57 : x
  2. Step 2: Convert to fraction form
    30,417.18/41,975.30 = 17,677.57/x
  3. Step 3: Cross multiply
    30,417.18x = 41,975.30 × 17,677.57
  4. Step 4: Simplify right side
    30,417.18x = 742,021,304.02
  5. Step 5: Solve for x
    x = 742,021,304.02/30,417.18
  6. Step 6: Final answer
    x = 24,394.81

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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.