Home / 55,004.32-75,890.66-31,130.48

Finding the Fourth Proportional to 55,004.32, 75,890.66 and 31,130.48

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Solution

The fourth proportional to 55,004.32, 75,890.66 and 31,130.48 is: 42,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004.32 : 75,890.66 = 31,130.48 : x
  2. Step 2: Convert to fraction form
    55,004.32/75,890.66 = 31,130.48/x
  3. Step 3: Cross multiply
    55,004.32x = 75,890.66 × 31,130.48
  4. Step 4: Simplify right side
    55,004.32x = 2,362,512,882.50
  5. Step 5: Solve for x
    x = 2,362,512,882.50/55,004.32
  6. Step 6: Final answer
    x = 42,951.41

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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.