Home / 34,030.64-51,039.84-12,679.40

Finding the Fourth Proportional to 34,030.64, 51,039.84 and 12,679.40

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Solution

The fourth proportional to 34,030.64, 51,039.84 and 12,679.40 is: 19,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,030.64 : 51,039.84 = 12,679.40 : x
  2. Step 2: Convert to fraction form
    34,030.64/51,039.84 = 12,679.40/x
  3. Step 3: Cross multiply
    34,030.64x = 51,039.84 × 12,679.40
  4. Step 4: Simplify right side
    34,030.64x = 647,154,547.30
  5. Step 5: Solve for x
    x = 647,154,547.30/34,030.64
  6. Step 6: Final answer
    x = 19,016.82

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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.