Home / 55,580.07-76,700.53-30,086.35

Finding the Fourth Proportional to 55,580.07, 76,700.53 and 30,086.35

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Solution

The fourth proportional to 55,580.07, 76,700.53 and 30,086.35 is: 41,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.07 : 76,700.53 = 30,086.35 : x
  2. Step 2: Convert to fraction form
    55,580.07/76,700.53 = 30,086.35/x
  3. Step 3: Cross multiply
    55,580.07x = 76,700.53 × 30,086.35
  4. Step 4: Simplify right side
    55,580.07x = 2,307,638,990.77
  5. Step 5: Solve for x
    x = 2,307,638,990.77/55,580.07
  6. Step 6: Final answer
    x = 41,519.18

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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.