Home / 31,142.01-46,684.26-12,417.51

Finding the Fourth Proportional to 31,142.01, 46,684.26 and 12,417.51

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Solution

The fourth proportional to 31,142.01, 46,684.26 and 12,417.51 is: 18,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,142.01 : 46,684.26 = 12,417.51 : x
  2. Step 2: Convert to fraction form
    31,142.01/46,684.26 = 12,417.51/x
  3. Step 3: Cross multiply
    31,142.01x = 46,684.26 × 12,417.51
  4. Step 4: Simplify right side
    31,142.01x = 579,702,265.39
  5. Step 5: Solve for x
    x = 579,702,265.39/31,142.01
  6. Step 6: Final answer
    x = 18,614.80

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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.