Home / 55,622.04-76,758.48-30,128.46

Finding the Fourth Proportional to 55,622.04, 76,758.48 and 30,128.46

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Solution

The fourth proportional to 55,622.04, 76,758.48 and 30,128.46 is: 41,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,622.04 : 76,758.48 = 30,128.46 : x
  2. Step 2: Convert to fraction form
    55,622.04/76,758.48 = 30,128.46/x
  3. Step 3: Cross multiply
    55,622.04x = 76,758.48 × 30,128.46
  4. Step 4: Simplify right side
    55,622.04x = 2,312,614,794.34
  5. Step 5: Solve for x
    x = 2,312,614,794.34/55,622.04
  6. Step 6: Final answer
    x = 41,577.31

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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.