Home / 34,788.48-48,008.12-19,680.84

Finding the Fourth Proportional to 34,788.48, 48,008.12 and 19,680.84

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Solution

The fourth proportional to 34,788.48, 48,008.12 and 19,680.84 is: 27,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.48 : 48,008.12 = 19,680.84 : x
  2. Step 2: Convert to fraction form
    34,788.48/48,008.12 = 19,680.84/x
  3. Step 3: Cross multiply
    34,788.48x = 48,008.12 × 19,680.84
  4. Step 4: Simplify right side
    34,788.48x = 944,840,030.02
  5. Step 5: Solve for x
    x = 944,840,030.02/34,788.48
  6. Step 6: Final answer
    x = 27,159.57

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1.5x scale

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.