Home / 31,017.06-46,530.20-14,378.77

Finding the Fourth Proportional to 31,017.06, 46,530.20 and 14,378.77

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Solution

The fourth proportional to 31,017.06, 46,530.20 and 14,378.77 is: 21,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.06 : 46,530.20 = 14,378.77 : x
  2. Step 2: Convert to fraction form
    31,017.06/46,530.20 = 14,378.77/x
  3. Step 3: Cross multiply
    31,017.06x = 46,530.20 × 14,378.77
  4. Step 4: Simplify right side
    31,017.06x = 669,047,043.85
  5. Step 5: Solve for x
    x = 669,047,043.85/31,017.06
  6. Step 6: Final answer
    x = 21,570.29

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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.