Home / 55,320.30-82,923.75-21,995.28

Finding the Fourth Proportional to 55,320.30, 82,923.75 and 21,995.28

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Solution

The fourth proportional to 55,320.30, 82,923.75 and 21,995.28 is: 32,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,320.30 : 82,923.75 = 21,995.28 : x
  2. Step 2: Convert to fraction form
    55,320.30/82,923.75 = 21,995.28/x
  3. Step 3: Cross multiply
    55,320.30x = 82,923.75 × 21,995.28
  4. Step 4: Simplify right side
    55,320.30x = 1,823,931,099.90
  5. Step 5: Solve for x
    x = 1,823,931,099.90/55,320.30
  6. Step 6: Final answer
    x = 32,970.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.