Home / 42,763.32-64,144.98-11,597.76

Finding the Fourth Proportional to 42,763.32, 64,144.98 and 11,597.76

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Solution

The fourth proportional to 42,763.32, 64,144.98 and 11,597.76 is: 17,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763.32 : 64,144.98 = 11,597.76 : x
  2. Step 2: Convert to fraction form
    42,763.32/64,144.98 = 11,597.76/x
  3. Step 3: Cross multiply
    42,763.32x = 64,144.98 × 11,597.76
  4. Step 4: Simplify right side
    42,763.32x = 743,938,083.24
  5. Step 5: Solve for x
    x = 743,938,083.24/42,763.32
  6. Step 6: Final answer
    x = 17,396.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.