Home / 55,292.70-76,303.86-30,142.20

Finding the Fourth Proportional to 55,292.70, 76,303.86 and 30,142.20

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Solution

The fourth proportional to 55,292.70, 76,303.86 and 30,142.20 is: 41,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.70 : 76,303.86 = 30,142.20 : x
  2. Step 2: Convert to fraction form
    55,292.70/76,303.86 = 30,142.20/x
  3. Step 3: Cross multiply
    55,292.70x = 76,303.86 × 30,142.20
  4. Step 4: Simplify right side
    55,292.70x = 2,299,966,208.89
  5. Step 5: Solve for x
    x = 2,299,966,208.89/55,292.70
  6. Step 6: Final answer
    x = 41,596.20

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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.