Home / 31,219.11-46,818.95-10,437.75

Finding the Fourth Proportional to 31,219.11, 46,818.95 and 10,437.75

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Solution

The fourth proportional to 31,219.11, 46,818.95 and 10,437.75 is: 15,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.11 : 46,818.95 = 10,437.75 : x
  2. Step 2: Convert to fraction form
    31,219.11/46,818.95 = 10,437.75/x
  3. Step 3: Cross multiply
    31,219.11x = 46,818.95 × 10,437.75
  4. Step 4: Simplify right side
    31,219.11x = 488,684,443.17
  5. Step 5: Solve for x
    x = 488,684,443.17/31,219.11
  6. Step 6: Final answer
    x = 15,653.38

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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.