Home / 55,585.43-76,752.12-51,334.93

Finding the Fourth Proportional to 55,585.43, 76,752.12 and 51,334.93

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Solution

The fourth proportional to 55,585.43, 76,752.12 and 51,334.93 is: 70,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,585.43 : 76,752.12 = 51,334.93 : x
  2. Step 2: Convert to fraction form
    55,585.43/76,752.12 = 51,334.93/x
  3. Step 3: Cross multiply
    55,585.43x = 76,752.12 × 51,334.93
  4. Step 4: Simplify right side
    55,585.43x = 3,940,064,707.55
  5. Step 5: Solve for x
    x = 3,940,064,707.55/55,585.43
  6. Step 6: Final answer
    x = 70,883.05

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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.