Home / 55,210.36-82,813.78-15,767.45

Finding the Fourth Proportional to 55,210.36, 82,813.78 and 15,767.45

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Solution

The fourth proportional to 55,210.36, 82,813.78 and 15,767.45 is: 23,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.36 : 82,813.78 = 15,767.45 : x
  2. Step 2: Convert to fraction form
    55,210.36/82,813.78 = 15,767.45/x
  3. Step 3: Cross multiply
    55,210.36x = 82,813.78 × 15,767.45
  4. Step 4: Simplify right side
    55,210.36x = 1,305,761,681.97
  5. Step 5: Solve for x
    x = 1,305,761,681.97/55,210.36
  6. Step 6: Final answer
    x = 23,650.67

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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.