Home / 55,629.12-76,727.52-40,526.40

Finding the Fourth Proportional to 55,629.12, 76,727.52 and 40,526.40

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Solution

The fourth proportional to 55,629.12, 76,727.52 and 40,526.40 is: 55,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.12 : 76,727.52 = 40,526.40 : x
  2. Step 2: Convert to fraction form
    55,629.12/76,727.52 = 40,526.40/x
  3. Step 3: Cross multiply
    55,629.12x = 76,727.52 × 40,526.40
  4. Step 4: Simplify right side
    55,629.12x = 3,109,490,166.53
  5. Step 5: Solve for x
    x = 3,109,490,166.53/55,629.12
  6. Step 6: Final answer
    x = 55,896.81

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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.