Home / 31,857.68-47,804.95-13,134.23

Finding the Fourth Proportional to 31,857.68, 47,804.95 and 13,134.23

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Solution

The fourth proportional to 31,857.68, 47,804.95 and 13,134.23 is: 19,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.68 : 47,804.95 = 13,134.23 : x
  2. Step 2: Convert to fraction form
    31,857.68/47,804.95 = 13,134.23/x
  3. Step 3: Cross multiply
    31,857.68x = 47,804.95 × 13,134.23
  4. Step 4: Simplify right side
    31,857.68x = 627,881,165.10
  5. Step 5: Solve for x
    x = 627,881,165.10/31,857.68
  6. Step 6: Final answer
    x = 19,708.94

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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.