Home / 55,512.89-76,607.64-30,019.17

Finding the Fourth Proportional to 55,512.89, 76,607.64 and 30,019.17

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Solution

The fourth proportional to 55,512.89, 76,607.64 and 30,019.17 is: 41,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.89 : 76,607.64 = 30,019.17 : x
  2. Step 2: Convert to fraction form
    55,512.89/76,607.64 = 30,019.17/x
  3. Step 3: Cross multiply
    55,512.89x = 76,607.64 × 30,019.17
  4. Step 4: Simplify right side
    55,512.89x = 2,299,698,055.74
  5. Step 5: Solve for x
    x = 2,299,698,055.74/55,512.89
  6. Step 6: Final answer
    x = 41,426.38

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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.