Home / 30,702.24-42,368.88-17,454.24

Finding the Fourth Proportional to 30,702.24, 42,368.88 and 17,454.24

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Solution

The fourth proportional to 30,702.24, 42,368.88 and 17,454.24 is: 24,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.24 : 42,368.88 = 17,454.24 : x
  2. Step 2: Convert to fraction form
    30,702.24/42,368.88 = 17,454.24/x
  3. Step 3: Cross multiply
    30,702.24x = 42,368.88 × 17,454.24
  4. Step 4: Simplify right side
    30,702.24x = 739,516,600.05
  5. Step 5: Solve for x
    x = 739,516,600.05/30,702.24
  6. Step 6: Final answer
    x = 24,086.73

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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.