Home / 32,478.40-44,828.67-21,175.93

Finding the Fourth Proportional to 32,478.40, 44,828.67 and 21,175.93

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Solution

The fourth proportional to 32,478.40, 44,828.67 and 21,175.93 is: 29,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,478.40 : 44,828.67 = 21,175.93 : x
  2. Step 2: Convert to fraction form
    32,478.40/44,828.67 = 21,175.93/x
  3. Step 3: Cross multiply
    32,478.40x = 44,828.67 × 21,175.93
  4. Step 4: Simplify right side
    32,478.40x = 949,288,777.91
  5. Step 5: Solve for x
    x = 949,288,777.91/32,478.40
  6. Step 6: Final answer
    x = 29,228.31

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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.