Home / 42,718.32-63,991.35-35,767.80

Finding the Fourth Proportional to 42,718.32, 63,991.35 and 35,767.80

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Solution

The fourth proportional to 42,718.32, 63,991.35 and 35,767.80 is: 53,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718.32 : 63,991.35 = 35,767.80 : x
  2. Step 2: Convert to fraction form
    42,718.32/63,991.35 = 35,767.80/x
  3. Step 3: Cross multiply
    42,718.32x = 63,991.35 × 35,767.80
  4. Step 4: Simplify right side
    42,718.32x = 2,288,829,808.53
  5. Step 5: Solve for x
    x = 2,288,829,808.53/42,718.32
  6. Step 6: Final answer
    x = 53,579.58

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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.