Home / 32,648.31-45,054.90-18,501.21

Finding the Fourth Proportional to 32,648.31, 45,054.90 and 18,501.21

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Solution

The fourth proportional to 32,648.31, 45,054.90 and 18,501.21 is: 25,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,648.31 : 45,054.90 = 18,501.21 : x
  2. Step 2: Convert to fraction form
    32,648.31/45,054.90 = 18,501.21/x
  3. Step 3: Cross multiply
    32,648.31x = 45,054.90 × 18,501.21
  4. Step 4: Simplify right side
    32,648.31x = 833,570,166.43
  5. Step 5: Solve for x
    x = 833,570,166.43/32,648.31
  6. Step 6: Final answer
    x = 25,531.80

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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.