Home / 56,015.26-77,300.14-30,521.96

Finding the Fourth Proportional to 56,015.26, 77,300.14 and 30,521.96

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Solution

The fourth proportional to 56,015.26, 77,300.14 and 30,521.96 is: 42,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.26 : 77,300.14 = 30,521.96 : x
  2. Step 2: Convert to fraction form
    56,015.26/77,300.14 = 30,521.96/x
  3. Step 3: Cross multiply
    56,015.26x = 77,300.14 × 30,521.96
  4. Step 4: Simplify right side
    56,015.26x = 2,359,351,781.07
  5. Step 5: Solve for x
    x = 2,359,351,781.07/56,015.26
  6. Step 6: Final answer
    x = 42,119.80

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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.