Home / 31,585.77-47,389.46-14,067.81

Finding the Fourth Proportional to 31,585.77, 47,389.46 and 14,067.81

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Solution

The fourth proportional to 31,585.77, 47,389.46 and 14,067.81 is: 21,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.77 : 47,389.46 = 14,067.81 : x
  2. Step 2: Convert to fraction form
    31,585.77/47,389.46 = 14,067.81/x
  3. Step 3: Cross multiply
    31,585.77x = 47,389.46 × 14,067.81
  4. Step 4: Simplify right side
    31,585.77x = 666,665,848.94
  5. Step 5: Solve for x
    x = 666,665,848.94/31,585.77
  6. Step 6: Final answer
    x = 21,106.53

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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.