Home / 55,276.48-76,278.72-30,125.76

Finding the Fourth Proportional to 55,276.48, 76,278.72 and 30,125.76

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Solution

The fourth proportional to 55,276.48, 76,278.72 and 30,125.76 is: 41,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.48 : 76,278.72 = 30,125.76 : x
  2. Step 2: Convert to fraction form
    55,276.48/76,278.72 = 30,125.76/x
  3. Step 3: Cross multiply
    55,276.48x = 76,278.72 × 30,125.76
  4. Step 4: Simplify right side
    55,276.48x = 2,297,954,411.83
  5. Step 5: Solve for x
    x = 2,297,954,411.83/55,276.48
  6. Step 6: Final answer
    x = 41,572.01

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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.