Home / 32,130.48-44,365.56-21,385.68

Finding the Fourth Proportional to 32,130.48, 44,365.56 and 21,385.68

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Solution

The fourth proportional to 32,130.48, 44,365.56 and 21,385.68 is: 29,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.48 : 44,365.56 = 21,385.68 : x
  2. Step 2: Convert to fraction form
    32,130.48/44,365.56 = 21,385.68/x
  3. Step 3: Cross multiply
    32,130.48x = 44,365.56 × 21,385.68
  4. Step 4: Simplify right side
    32,130.48x = 948,787,669.18
  5. Step 5: Solve for x
    x = 948,787,669.18/32,130.48
  6. Step 6: Final answer
    x = 29,529.21

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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.