Home / 52,485.39-78,720.69-15,048.66

Finding the Fourth Proportional to 52,485.39, 78,720.69 and 15,048.66

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Solution

The fourth proportional to 52,485.39, 78,720.69 and 15,048.66 is: 22,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,485.39 : 78,720.69 = 15,048.66 : x
  2. Step 2: Convert to fraction form
    52,485.39/78,720.69 = 15,048.66/x
  3. Step 3: Cross multiply
    52,485.39x = 78,720.69 × 15,048.66
  4. Step 4: Simplify right side
    52,485.39x = 1,184,640,898.78
  5. Step 5: Solve for x
    x = 1,184,640,898.78/52,485.39
  6. Step 6: Final answer
    x = 22,570.87

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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.