Home / 34,878.68-48,133.58-21,267.52

Finding the Fourth Proportional to 34,878.68, 48,133.58 and 21,267.52

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Solution

The fourth proportional to 34,878.68, 48,133.58 and 21,267.52 is: 29,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.68 : 48,133.58 = 21,267.52 : x
  2. Step 2: Convert to fraction form
    34,878.68/48,133.58 = 21,267.52/x
  3. Step 3: Cross multiply
    34,878.68x = 48,133.58 × 21,267.52
  4. Step 4: Simplify right side
    34,878.68x = 1,023,681,875.32
  5. Step 5: Solve for x
    x = 1,023,681,875.32/34,878.68
  6. Step 6: Final answer
    x = 29,349.79

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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.