Home / 52,344.16-78,518.04-20,760.22

Finding the Fourth Proportional to 52,344.16, 78,518.04 and 20,760.22

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Solution

The fourth proportional to 52,344.16, 78,518.04 and 20,760.22 is: 31,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,344.16 : 78,518.04 = 20,760.22 : x
  2. Step 2: Convert to fraction form
    52,344.16/78,518.04 = 20,760.22/x
  3. Step 3: Cross multiply
    52,344.16x = 78,518.04 × 20,760.22
  4. Step 4: Simplify right side
    52,344.16x = 1,630,051,784.37
  5. Step 5: Solve for x
    x = 1,630,051,784.37/52,344.16
  6. Step 6: Final answer
    x = 31,141.04

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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.