Home / 56,052.96-77,354.04-30,902.40

Finding the Fourth Proportional to 56,052.96, 77,354.04 and 30,902.40

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Solution

The fourth proportional to 56,052.96, 77,354.04 and 30,902.40 is: 42,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,052.96 : 77,354.04 = 30,902.40 : x
  2. Step 2: Convert to fraction form
    56,052.96/77,354.04 = 30,902.40/x
  3. Step 3: Cross multiply
    56,052.96x = 77,354.04 × 30,902.40
  4. Step 4: Simplify right side
    56,052.96x = 2,390,425,485.70
  5. Step 5: Solve for x
    x = 2,390,425,485.70/56,052.96
  6. Step 6: Final answer
    x = 42,645.84

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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.