Home / 53,450.16-80,087.68-28,463.68

Finding the Fourth Proportional to 53,450.16, 80,087.68 and 28,463.68

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Solution

The fourth proportional to 53,450.16, 80,087.68 and 28,463.68 is: 42,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.16 : 80,087.68 = 28,463.68 : x
  2. Step 2: Convert to fraction form
    53,450.16/80,087.68 = 28,463.68/x
  3. Step 3: Cross multiply
    53,450.16x = 80,087.68 × 28,463.68
  4. Step 4: Simplify right side
    53,450.16x = 2,279,590,095.46
  5. Step 5: Solve for x
    x = 2,279,590,095.46/53,450.16
  6. Step 6: Final answer
    x = 42,648.89

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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.