Home / 31,002.63-46,502.28-18,186.93

Finding the Fourth Proportional to 31,002.63, 46,502.28 and 18,186.93

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Solution

The fourth proportional to 31,002.63, 46,502.28 and 18,186.93 is: 27,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.63 : 46,502.28 = 18,186.93 : x
  2. Step 2: Convert to fraction form
    31,002.63/46,502.28 = 18,186.93/x
  3. Step 3: Cross multiply
    31,002.63x = 46,502.28 × 18,186.93
  4. Step 4: Simplify right side
    31,002.63x = 845,733,711.20
  5. Step 5: Solve for x
    x = 845,733,711.20/31,002.63
  6. Step 6: Final answer
    x = 27,279.42

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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.