Home / 52,830.96-72,902.56-30,470.64

Finding the Fourth Proportional to 52,830.96, 72,902.56 and 30,470.64

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Solution

The fourth proportional to 52,830.96, 72,902.56 and 30,470.64 is: 42,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.96 : 72,902.56 = 30,470.64 : x
  2. Step 2: Convert to fraction form
    52,830.96/72,902.56 = 30,470.64/x
  3. Step 3: Cross multiply
    52,830.96x = 72,902.56 × 30,470.64
  4. Step 4: Simplify right side
    52,830.96x = 2,221,387,660.84
  5. Step 5: Solve for x
    x = 2,221,387,660.84/52,830.96
  6. Step 6: Final answer
    x = 42,047.08

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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.