Home / 55,630.39-76,769.45-30,136.18

Finding the Fourth Proportional to 55,630.39, 76,769.45 and 30,136.18

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Solution

The fourth proportional to 55,630.39, 76,769.45 and 30,136.18 is: 41,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.39 : 76,769.45 = 30,136.18 : x
  2. Step 2: Convert to fraction form
    55,630.39/76,769.45 = 30,136.18/x
  3. Step 3: Cross multiply
    55,630.39x = 76,769.45 × 30,136.18
  4. Step 4: Simplify right side
    55,630.39x = 2,313,537,813.02
  5. Step 5: Solve for x
    x = 2,313,537,813.02/55,630.39
  6. Step 6: Final answer
    x = 41,587.66

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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.