Home / 31,455.36-46,931.04-25,100.64

Finding the Fourth Proportional to 31,455.36, 46,931.04 and 25,100.64

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Solution

The fourth proportional to 31,455.36, 46,931.04 and 25,100.64 is: 37,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.36 : 46,931.04 = 25,100.64 : x
  2. Step 2: Convert to fraction form
    31,455.36/46,931.04 = 25,100.64/x
  3. Step 3: Cross multiply
    31,455.36x = 46,931.04 × 25,100.64
  4. Step 4: Simplify right side
    31,455.36x = 1,177,999,139.87
  5. Step 5: Solve for x
    x = 1,177,999,139.87/31,455.36
  6. Step 6: Final answer
    x = 37,449.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.