Home / 55,962.57-77,228.42-30,812.07

Finding the Fourth Proportional to 55,962.57, 77,228.42 and 30,812.07

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Solution

The fourth proportional to 55,962.57, 77,228.42 and 30,812.07 is: 42,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.57 : 77,228.42 = 30,812.07 : x
  2. Step 2: Convert to fraction form
    55,962.57/77,228.42 = 30,812.07/x
  3. Step 3: Cross multiply
    55,962.57x = 77,228.42 × 30,812.07
  4. Step 4: Simplify right side
    55,962.57x = 2,379,567,328.97
  5. Step 5: Solve for x
    x = 2,379,567,328.97/55,962.57
  6. Step 6: Final answer
    x = 42,520.69

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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.