Home / 31,158.37-46,703.53-11,420.29

Finding the Fourth Proportional to 31,158.37, 46,703.53 and 11,420.29

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Solution

The fourth proportional to 31,158.37, 46,703.53 and 11,420.29 is: 17,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.37 : 46,703.53 = 11,420.29 : x
  2. Step 2: Convert to fraction form
    31,158.37/46,703.53 = 11,420.29/x
  3. Step 3: Cross multiply
    31,158.37x = 46,703.53 × 11,420.29
  4. Step 4: Simplify right side
    31,158.37x = 533,367,856.62
  5. Step 5: Solve for x
    x = 533,367,856.62/31,158.37
  6. Step 6: Final answer
    x = 17,117.96

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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.