Home / 34,886.04-48,138.66-19,780.44

Finding the Fourth Proportional to 34,886.04, 48,138.66 and 19,780.44

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Solution

The fourth proportional to 34,886.04, 48,138.66 and 19,780.44 is: 27,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.04 : 48,138.66 = 19,780.44 : x
  2. Step 2: Convert to fraction form
    34,886.04/48,138.66 = 19,780.44/x
  3. Step 3: Cross multiply
    34,886.04x = 48,138.66 × 19,780.44
  4. Step 4: Simplify right side
    34,886.04x = 952,203,875.81
  5. Step 5: Solve for x
    x = 952,203,875.81/34,886.04
  6. Step 6: Final answer
    x = 27,294.70

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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.