Home / 31,158.24-46,737.48-7,784.70

Finding the Fourth Proportional to 31,158.24, 46,737.48 and 7,784.70

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Solution

The fourth proportional to 31,158.24, 46,737.48 and 7,784.70 is: 11,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.24 : 46,737.48 = 7,784.70 : x
  2. Step 2: Convert to fraction form
    31,158.24/46,737.48 = 7,784.70/x
  3. Step 3: Cross multiply
    31,158.24x = 46,737.48 × 7,784.70
  4. Step 4: Simplify right side
    31,158.24x = 363,837,260.56
  5. Step 5: Solve for x
    x = 363,837,260.56/31,158.24
  6. Step 6: Final answer
    x = 11,677.08

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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.