Home / 55,915.84-77,164.32-30,422.26

Finding the Fourth Proportional to 55,915.84, 77,164.32 and 30,422.26

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Solution

The fourth proportional to 55,915.84, 77,164.32 and 30,422.26 is: 41,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,915.84 : 77,164.32 = 30,422.26 : x
  2. Step 2: Convert to fraction form
    55,915.84/77,164.32 = 30,422.26/x
  3. Step 3: Cross multiply
    55,915.84x = 77,164.32 × 30,422.26
  4. Step 4: Simplify right side
    55,915.84x = 2,347,513,005.76
  5. Step 5: Solve for x
    x = 2,347,513,005.76/55,915.84
  6. Step 6: Final answer
    x = 41,982.97

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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.