Home / 30,527.85-42,127.19-17,098.89

Finding the Fourth Proportional to 30,527.85, 42,127.19 and 17,098.89

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Solution

The fourth proportional to 30,527.85, 42,127.19 and 17,098.89 is: 23,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527.85 : 42,127.19 = 17,098.89 : x
  2. Step 2: Convert to fraction form
    30,527.85/42,127.19 = 17,098.89/x
  3. Step 3: Cross multiply
    30,527.85x = 42,127.19 × 17,098.89
  4. Step 4: Simplify right side
    30,527.85x = 720,328,102.32
  5. Step 5: Solve for x
    x = 720,328,102.32/30,527.85
  6. Step 6: Final answer
    x = 23,595.77

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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.