Home / 53,415.46-80,127.74-13,972.51

Finding the Fourth Proportional to 53,415.46, 80,127.74 and 13,972.51

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Solution

The fourth proportional to 53,415.46, 80,127.74 and 13,972.51 is: 20,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.46 : 80,127.74 = 13,972.51 : x
  2. Step 2: Convert to fraction form
    53,415.46/80,127.74 = 13,972.51/x
  3. Step 3: Cross multiply
    53,415.46x = 80,127.74 × 13,972.51
  4. Step 4: Simplify right side
    53,415.46x = 1,119,585,578.56
  5. Step 5: Solve for x
    x = 1,119,585,578.56/53,415.46
  6. Step 6: Final answer
    x = 20,959.95

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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.