Home / 33,432.23-46,141.20-20,689.51

Finding the Fourth Proportional to 33,432.23, 46,141.20 and 20,689.51

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Solution

The fourth proportional to 33,432.23, 46,141.20 and 20,689.51 is: 28,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,432.23 : 46,141.20 = 20,689.51 : x
  2. Step 2: Convert to fraction form
    33,432.23/46,141.20 = 20,689.51/x
  3. Step 3: Cross multiply
    33,432.23x = 46,141.20 × 20,689.51
  4. Step 4: Simplify right side
    33,432.23x = 954,638,818.81
  5. Step 5: Solve for x
    x = 954,638,818.81/33,432.23
  6. Step 6: Final answer
    x = 28,554.45

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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.