Home / 56,767.02-85,120.89-21,199.06

Finding the Fourth Proportional to 56,767.02, 85,120.89 and 21,199.06

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Solution

The fourth proportional to 56,767.02, 85,120.89 and 21,199.06 is: 31,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,767.02 : 85,120.89 = 21,199.06 : x
  2. Step 2: Convert to fraction form
    56,767.02/85,120.89 = 21,199.06/x
  3. Step 3: Cross multiply
    56,767.02x = 85,120.89 × 21,199.06
  4. Step 4: Simplify right side
    56,767.02x = 1,804,482,854.36
  5. Step 5: Solve for x
    x = 1,804,482,854.36/56,767.02
  6. Step 6: Final answer
    x = 31,787.52

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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.