Home / 53,440.07-80,135.40-30,066.51

Finding the Fourth Proportional to 53,440.07, 80,135.40 and 30,066.51

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Solution

The fourth proportional to 53,440.07, 80,135.40 and 30,066.51 is: 45,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.07 : 80,135.40 = 30,066.51 : x
  2. Step 2: Convert to fraction form
    53,440.07/80,135.40 = 30,066.51/x
  3. Step 3: Cross multiply
    53,440.07x = 80,135.40 × 30,066.51
  4. Step 4: Simplify right side
    53,440.07x = 2,409,391,805.45
  5. Step 5: Solve for x
    x = 2,409,391,805.45/53,440.07
  6. Step 6: Final answer
    x = 45,085.86

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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.