Home / 32,418.36-48,603.24-13,720.32

Finding the Fourth Proportional to 32,418.36, 48,603.24 and 13,720.32

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Solution

The fourth proportional to 32,418.36, 48,603.24 and 13,720.32 is: 20,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.36 : 48,603.24 = 13,720.32 : x
  2. Step 2: Convert to fraction form
    32,418.36/48,603.24 = 13,720.32/x
  3. Step 3: Cross multiply
    32,418.36x = 48,603.24 × 13,720.32
  4. Step 4: Simplify right side
    32,418.36x = 666,852,005.84
  5. Step 5: Solve for x
    x = 666,852,005.84/32,418.36
  6. Step 6: Final answer
    x = 20,570.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.