Home / 55,820.94-77,032.88-30,670.44

Finding the Fourth Proportional to 55,820.94, 77,032.88 and 30,670.44

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Solution

The fourth proportional to 55,820.94, 77,032.88 and 30,670.44 is: 42,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.94 : 77,032.88 = 30,670.44 : x
  2. Step 2: Convert to fraction form
    55,820.94/77,032.88 = 30,670.44/x
  3. Step 3: Cross multiply
    55,820.94x = 77,032.88 × 30,670.44
  4. Step 4: Simplify right side
    55,820.94x = 2,362,632,324.07
  5. Step 5: Solve for x
    x = 2,362,632,324.07/55,820.94
  6. Step 6: Final answer
    x = 42,325.20

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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.