Home / 31,012.77-46,534.55-12,292.40

Finding the Fourth Proportional to 31,012.77, 46,534.55 and 12,292.40

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Solution

The fourth proportional to 31,012.77, 46,534.55 and 12,292.40 is: 18,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.77 : 46,534.55 = 12,292.40 : x
  2. Step 2: Convert to fraction form
    31,012.77/46,534.55 = 12,292.40/x
  3. Step 3: Cross multiply
    31,012.77x = 46,534.55 × 12,292.40
  4. Step 4: Simplify right side
    31,012.77x = 572,021,357.29
  5. Step 5: Solve for x
    x = 572,021,357.29/31,012.77
  6. Step 6: Final answer
    x = 18,444.70

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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.