Home / 55,611.74-76,743.80-30,117.52

Finding the Fourth Proportional to 55,611.74, 76,743.80 and 30,117.52

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Solution

The fourth proportional to 55,611.74, 76,743.80 and 30,117.52 is: 41,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.74 : 76,743.80 = 30,117.52 : x
  2. Step 2: Convert to fraction form
    55,611.74/76,743.80 = 30,117.52/x
  3. Step 3: Cross multiply
    55,611.74x = 76,743.80 × 30,117.52
  4. Step 4: Simplify right side
    55,611.74x = 2,311,333,159.07
  5. Step 5: Solve for x
    x = 2,311,333,159.07/55,611.74
  6. Step 6: Final answer
    x = 41,561.96

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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.