Home / 55,800.08-77,004.08-30,649.56

Finding the Fourth Proportional to 55,800.08, 77,004.08 and 30,649.56

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Solution

The fourth proportional to 55,800.08, 77,004.08 and 30,649.56 is: 42,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.08 : 77,004.08 = 30,649.56 : x
  2. Step 2: Convert to fraction form
    55,800.08/77,004.08 = 30,649.56/x
  3. Step 3: Cross multiply
    55,800.08x = 77,004.08 × 30,649.56
  4. Step 4: Simplify right side
    55,800.08x = 2,360,141,170.20
  5. Step 5: Solve for x
    x = 2,360,141,170.20/55,800.08
  6. Step 6: Final answer
    x = 42,296.38

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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.