Home / 55,655.64-76,806.58-30,507.48

Finding the Fourth Proportional to 55,655.64, 76,806.58 and 30,507.48

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Solution

The fourth proportional to 55,655.64, 76,806.58 and 30,507.48 is: 42,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.64 : 76,806.58 = 30,507.48 : x
  2. Step 2: Convert to fraction form
    55,655.64/76,806.58 = 30,507.48/x
  3. Step 3: Cross multiply
    55,655.64x = 76,806.58 × 30,507.48
  4. Step 4: Simplify right side
    55,655.64x = 2,343,175,203.22
  5. Step 5: Solve for x
    x = 2,343,175,203.22/55,655.64
  6. Step 6: Final answer
    x = 42,101.31

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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.