Home / 30,448.32-42,017.66-17,702.56

Finding the Fourth Proportional to 30,448.32, 42,017.66 and 17,702.56

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Solution

The fourth proportional to 30,448.32, 42,017.66 and 17,702.56 is: 24,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.32 : 42,017.66 = 17,702.56 : x
  2. Step 2: Convert to fraction form
    30,448.32/42,017.66 = 17,702.56/x
  3. Step 3: Cross multiply
    30,448.32x = 42,017.66 × 17,702.56
  4. Step 4: Simplify right side
    30,448.32x = 743,820,147.21
  5. Step 5: Solve for x
    x = 743,820,147.21/30,448.32
  6. Step 6: Final answer
    x = 24,428.94

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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.