Home / 55,686.63-76,851.21-30,536.13

Finding the Fourth Proportional to 55,686.63, 76,851.21 and 30,536.13

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Solution

The fourth proportional to 55,686.63, 76,851.21 and 30,536.13 is: 42,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.63 : 76,851.21 = 30,536.13 : x
  2. Step 2: Convert to fraction form
    55,686.63/76,851.21 = 30,536.13/x
  3. Step 3: Cross multiply
    55,686.63x = 76,851.21 × 30,536.13
  4. Step 4: Simplify right side
    55,686.63x = 2,346,738,539.22
  5. Step 5: Solve for x
    x = 2,346,738,539.22/55,686.63
  6. Step 6: Final answer
    x = 42,141.87

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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.