Home / 53,129.04-73,316.64-30,471.84

Finding the Fourth Proportional to 53,129.04, 73,316.64 and 30,471.84

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Solution

The fourth proportional to 53,129.04, 73,316.64 and 30,471.84 is: 42,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.04 : 73,316.64 = 30,471.84 : x
  2. Step 2: Convert to fraction form
    53,129.04/73,316.64 = 30,471.84/x
  3. Step 3: Cross multiply
    53,129.04x = 73,316.64 × 30,471.84
  4. Step 4: Simplify right side
    53,129.04x = 2,234,092,923.42
  5. Step 5: Solve for x
    x = 2,234,092,923.42/53,129.04
  6. Step 6: Final answer
    x = 42,050.32

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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.