Home / 31,177.47-46,781.84-14,538.81

Finding the Fourth Proportional to 31,177.47, 46,781.84 and 14,538.81

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Solution

The fourth proportional to 31,177.47, 46,781.84 and 14,538.81 is: 21,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.47 : 46,781.84 = 14,538.81 : x
  2. Step 2: Convert to fraction form
    31,177.47/46,781.84 = 14,538.81/x
  3. Step 3: Cross multiply
    31,177.47x = 46,781.84 × 14,538.81
  4. Step 4: Simplify right side
    31,177.47x = 680,152,012.95
  5. Step 5: Solve for x
    x = 680,152,012.95/31,177.47
  6. Step 6: Final answer
    x = 21,815.50

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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.