Home / 32,390.98-44,702.74-18,961.42

Finding the Fourth Proportional to 32,390.98, 44,702.74 and 18,961.42

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Solution

The fourth proportional to 32,390.98, 44,702.74 and 18,961.42 is: 26,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.98 : 44,702.74 = 18,961.42 : x
  2. Step 2: Convert to fraction form
    32,390.98/44,702.74 = 18,961.42/x
  3. Step 3: Cross multiply
    32,390.98x = 44,702.74 × 18,961.42
  4. Step 4: Simplify right side
    32,390.98x = 847,627,428.29
  5. Step 5: Solve for x
    x = 847,627,428.29/32,390.98
  6. Step 6: Final answer
    x = 26,168.63

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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.