Home / 56,015.09-77,297.33-30,864.59

Finding the Fourth Proportional to 56,015.09, 77,297.33 and 30,864.59

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Solution

The fourth proportional to 56,015.09, 77,297.33 and 30,864.59 is: 42,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.09 : 77,297.33 = 30,864.59 : x
  2. Step 2: Convert to fraction form
    56,015.09/77,297.33 = 30,864.59/x
  3. Step 3: Cross multiply
    56,015.09x = 77,297.33 × 30,864.59
  4. Step 4: Simplify right side
    56,015.09x = 2,385,750,244.22
  5. Step 5: Solve for x
    x = 2,385,750,244.22/56,015.09
  6. Step 6: Final answer
    x = 42,591.21

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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.