Home / 34,783.68-48,003.36-19,677.12

Finding the Fourth Proportional to 34,783.68, 48,003.36 and 19,677.12

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Solution

The fourth proportional to 34,783.68, 48,003.36 and 19,677.12 is: 27,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,783.68 : 48,003.36 = 19,677.12 : x
  2. Step 2: Convert to fraction form
    34,783.68/48,003.36 = 19,677.12/x
  3. Step 3: Cross multiply
    34,783.68x = 48,003.36 × 19,677.12
  4. Step 4: Simplify right side
    34,783.68x = 944,567,875.12
  5. Step 5: Solve for x
    x = 944,567,875.12/34,783.68
  6. Step 6: Final answer
    x = 27,155.49

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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.