Home / 55,735.08-76,915.62-30,586.28

Finding the Fourth Proportional to 55,735.08, 76,915.62 and 30,586.28

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Solution

The fourth proportional to 55,735.08, 76,915.62 and 30,586.28 is: 42,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,735.08 : 76,915.62 = 30,586.28 : x
  2. Step 2: Convert to fraction form
    55,735.08/76,915.62 = 30,586.28/x
  3. Step 3: Cross multiply
    55,735.08x = 76,915.62 × 30,586.28
  4. Step 4: Simplify right side
    55,735.08x = 2,352,562,689.69
  5. Step 5: Solve for x
    x = 2,352,562,689.69/55,735.08
  6. Step 6: Final answer
    x = 42,209.73

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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.