Home / 55,990.20-77,265.32-30,496.86

Finding the Fourth Proportional to 55,990.20, 77,265.32 and 30,496.86

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Solution

The fourth proportional to 55,990.20, 77,265.32 and 30,496.86 is: 42,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,990.20 : 77,265.32 = 30,496.86 : x
  2. Step 2: Convert to fraction form
    55,990.20/77,265.32 = 30,496.86/x
  3. Step 3: Cross multiply
    55,990.20x = 77,265.32 × 30,496.86
  4. Step 4: Simplify right side
    55,990.20x = 2,356,349,494.41
  5. Step 5: Solve for x
    x = 2,356,349,494.41/55,990.20
  6. Step 6: Final answer
    x = 42,085.03

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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.