Home / 48,343.12-72,521.60-21,355.52

Finding the Fourth Proportional to 48,343.12, 72,521.60 and 21,355.52

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Solution

The fourth proportional to 48,343.12, 72,521.60 and 21,355.52 is: 32,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,343.12 : 72,521.60 = 21,355.52 : x
  2. Step 2: Convert to fraction form
    48,343.12/72,521.60 = 21,355.52/x
  3. Step 3: Cross multiply
    48,343.12x = 72,521.60 × 21,355.52
  4. Step 4: Simplify right side
    48,343.12x = 1,548,736,479.23
  5. Step 5: Solve for x
    x = 1,548,736,479.23/48,343.12
  6. Step 6: Final answer
    x = 32,036.34

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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.