Home / 31,535.06-43,528.93-18,792.24

Finding the Fourth Proportional to 31,535.06, 43,528.93 and 18,792.24

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Solution

The fourth proportional to 31,535.06, 43,528.93 and 18,792.24 is: 25,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.06 : 43,528.93 = 18,792.24 : x
  2. Step 2: Convert to fraction form
    31,535.06/43,528.93 = 18,792.24/x
  3. Step 3: Cross multiply
    31,535.06x = 43,528.93 × 18,792.24
  4. Step 4: Simplify right side
    31,535.06x = 818,006,152.21
  5. Step 5: Solve for x
    x = 818,006,152.21/31,535.06
  6. Step 6: Final answer
    x = 25,939.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.