Home / 52,345.16-78,519.54-20,761.22

Finding the Fourth Proportional to 52,345.16, 78,519.54 and 20,761.22

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Solution

The fourth proportional to 52,345.16, 78,519.54 and 20,761.22 is: 31,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,345.16 : 78,519.54 = 20,761.22 : x
  2. Step 2: Convert to fraction form
    52,345.16/78,519.54 = 20,761.22/x
  3. Step 3: Cross multiply
    52,345.16x = 78,519.54 × 20,761.22
  4. Step 4: Simplify right side
    52,345.16x = 1,630,161,444.24
  5. Step 5: Solve for x
    x = 1,630,161,444.24/52,345.16
  6. Step 6: Final answer
    x = 31,142.54

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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.