Home / 55,820.43-77,032.20-30,669.93

Finding the Fourth Proportional to 55,820.43, 77,032.20 and 30,669.93

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Solution

The fourth proportional to 55,820.43, 77,032.20 and 30,669.93 is: 42,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.43 : 77,032.20 = 30,669.93 : x
  2. Step 2: Convert to fraction form
    55,820.43/77,032.20 = 30,669.93/x
  3. Step 3: Cross multiply
    55,820.43x = 77,032.20 × 30,669.93
  4. Step 4: Simplify right side
    55,820.43x = 2,362,572,181.75
  5. Step 5: Solve for x
    x = 2,362,572,181.75/55,820.43
  6. Step 6: Final answer
    x = 42,324.51

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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.