Home / 32,130.73-44,365.91-21,385.93

Finding the Fourth Proportional to 32,130.73, 44,365.91 and 21,385.93

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Solution

The fourth proportional to 32,130.73, 44,365.91 and 21,385.93 is: 29,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.73 : 44,365.91 = 21,385.93 : x
  2. Step 2: Convert to fraction form
    32,130.73/44,365.91 = 21,385.93/x
  3. Step 3: Cross multiply
    32,130.73x = 44,365.91 × 21,385.93
  4. Step 4: Simplify right side
    32,130.73x = 948,806,245.65
  5. Step 5: Solve for x
    x = 948,806,245.65/32,130.73
  6. Step 6: Final answer
    x = 29,529.56

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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.