Home / 55,066.89-82,603.49-15,620.91

Finding the Fourth Proportional to 55,066.89, 82,603.49 and 15,620.91

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Solution

The fourth proportional to 55,066.89, 82,603.49 and 15,620.91 is: 23,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066.89 : 82,603.49 = 15,620.91 : x
  2. Step 2: Convert to fraction form
    55,066.89/82,603.49 = 15,620.91/x
  3. Step 3: Cross multiply
    55,066.89x = 82,603.49 × 15,620.91
  4. Step 4: Simplify right side
    55,066.89x = 1,290,341,295.11
  5. Step 5: Solve for x
    x = 1,290,341,295.11/55,066.89
  6. Step 6: Final answer
    x = 23,432.25

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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.