Home / 55,615.04-76,749.80-30,462.96

Finding the Fourth Proportional to 55,615.04, 76,749.80 and 30,462.96

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Solution

The fourth proportional to 55,615.04, 76,749.80 and 30,462.96 is: 42,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.04 : 76,749.80 = 30,462.96 : x
  2. Step 2: Convert to fraction form
    55,615.04/76,749.80 = 30,462.96/x
  3. Step 3: Cross multiply
    55,615.04x = 76,749.80 × 30,462.96
  4. Step 4: Simplify right side
    55,615.04x = 2,338,026,087.41
  5. Step 5: Solve for x
    x = 2,338,026,087.41/55,615.04
  6. Step 6: Final answer
    x = 42,039.46

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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.