Home / 48,032.64-72,064.35-21,730.32

Finding the Fourth Proportional to 48,032.64, 72,064.35 and 21,730.32

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Solution

The fourth proportional to 48,032.64, 72,064.35 and 21,730.32 is: 32,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,032.64 : 72,064.35 = 21,730.32 : x
  2. Step 2: Convert to fraction form
    48,032.64/72,064.35 = 21,730.32/x
  3. Step 3: Cross multiply
    48,032.64x = 72,064.35 × 21,730.32
  4. Step 4: Simplify right side
    48,032.64x = 1,565,981,386.09
  5. Step 5: Solve for x
    x = 1,565,981,386.09/48,032.64
  6. Step 6: Final answer
    x = 32,602.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.