Home / 35,090.64-52,656.80-12,919.59

Finding the Fourth Proportional to 35,090.64, 52,656.80 and 12,919.59

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Solution

The fourth proportional to 35,090.64, 52,656.80 and 12,919.59 is: 19,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,090.64 : 52,656.80 = 12,919.59 : x
  2. Step 2: Convert to fraction form
    35,090.64/52,656.80 = 12,919.59/x
  3. Step 3: Cross multiply
    35,090.64x = 52,656.80 × 12,919.59
  4. Step 4: Simplify right side
    35,090.64x = 680,304,266.71
  5. Step 5: Solve for x
    x = 680,304,266.71/35,090.64
  6. Step 6: Final answer
    x = 19,387.06

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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.