Home / 56,051.57-77,351.70-30,901.97

Finding the Fourth Proportional to 56,051.57, 77,351.70 and 30,901.97

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Solution

The fourth proportional to 56,051.57, 77,351.70 and 30,901.97 is: 42,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,051.57 : 77,351.70 = 30,901.97 : x
  2. Step 2: Convert to fraction form
    56,051.57/77,351.70 = 30,901.97/x
  3. Step 3: Cross multiply
    56,051.57x = 77,351.70 × 30,901.97
  4. Step 4: Simplify right side
    56,051.57x = 2,390,319,912.85
  5. Step 5: Solve for x
    x = 2,390,319,912.85/56,051.57
  6. Step 6: Final answer
    x = 42,645.01

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1.5x scale

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.