Home / 34,869.60-48,132.74-21,458.84

Finding the Fourth Proportional to 34,869.60, 48,132.74 and 21,458.84

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Solution

The fourth proportional to 34,869.60, 48,132.74 and 21,458.84 is: 29,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.60 : 48,132.74 = 21,458.84 : x
  2. Step 2: Convert to fraction form
    34,869.60/48,132.74 = 21,458.84/x
  3. Step 3: Cross multiply
    34,869.60x = 48,132.74 × 21,458.84
  4. Step 4: Simplify right side
    34,869.60x = 1,032,872,766.42
  5. Step 5: Solve for x
    x = 1,032,872,766.42/34,869.60
  6. Step 6: Final answer
    x = 29,621.01

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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.