Home / 32,838.18-45,297.06-20,717.24

Finding the Fourth Proportional to 32,838.18, 45,297.06 and 20,717.24

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Solution

The fourth proportional to 32,838.18, 45,297.06 and 20,717.24 is: 28,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.18 : 45,297.06 = 20,717.24 : x
  2. Step 2: Convert to fraction form
    32,838.18/45,297.06 = 20,717.24/x
  3. Step 3: Cross multiply
    32,838.18x = 45,297.06 × 20,717.24
  4. Step 4: Simplify right side
    32,838.18x = 938,429,836.83
  5. Step 5: Solve for x
    x = 938,429,836.83/32,838.18
  6. Step 6: Final answer
    x = 28,577.40

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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.