Home / 30,699.18-42,364.58-17,270.52

Finding the Fourth Proportional to 30,699.18, 42,364.58 and 17,270.52

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Solution

The fourth proportional to 30,699.18, 42,364.58 and 17,270.52 is: 23,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.18 : 42,364.58 = 17,270.52 : x
  2. Step 2: Convert to fraction form
    30,699.18/42,364.58 = 17,270.52/x
  3. Step 3: Cross multiply
    30,699.18x = 42,364.58 × 17,270.52
  4. Step 4: Simplify right side
    30,699.18x = 731,658,239.83
  5. Step 5: Solve for x
    x = 731,658,239.83/30,699.18
  6. Step 6: Final answer
    x = 23,833.15

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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.