Home / 48,632.04-72,897.48-20,528.64

Finding the Fourth Proportional to 48,632.04, 72,897.48 and 20,528.64

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Solution

The fourth proportional to 48,632.04, 72,897.48 and 20,528.64 is: 30,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,632.04 : 72,897.48 = 20,528.64 : x
  2. Step 2: Convert to fraction form
    48,632.04/72,897.48 = 20,528.64/x
  3. Step 3: Cross multiply
    48,632.04x = 72,897.48 × 20,528.64
  4. Step 4: Simplify right side
    48,632.04x = 1,496,486,123.83
  5. Step 5: Solve for x
    x = 1,496,486,123.83/48,632.04
  6. Step 6: Final answer
    x = 30,771.61

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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.