Home / 34,788.61-48,008.28-19,680.96

Finding the Fourth Proportional to 34,788.61, 48,008.28 and 19,680.96

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Solution

The fourth proportional to 34,788.61, 48,008.28 and 19,680.96 is: 27,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.61 : 48,008.28 = 19,680.96 : x
  2. Step 2: Convert to fraction form
    34,788.61/48,008.28 = 19,680.96/x
  3. Step 3: Cross multiply
    34,788.61x = 48,008.28 × 19,680.96
  4. Step 4: Simplify right side
    34,788.61x = 944,849,038.35
  5. Step 5: Solve for x
    x = 944,849,038.35/34,788.61
  6. Step 6: Final answer
    x = 27,159.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.