Home / 32,455.71-44,795.88-20,511.45

Finding the Fourth Proportional to 32,455.71, 44,795.88 and 20,511.45

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Solution

The fourth proportional to 32,455.71, 44,795.88 and 20,511.45 is: 28,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.71 : 44,795.88 = 20,511.45 : x
  2. Step 2: Convert to fraction form
    32,455.71/44,795.88 = 20,511.45/x
  3. Step 3: Cross multiply
    32,455.71x = 44,795.88 × 20,511.45
  4. Step 4: Simplify right side
    32,455.71x = 918,828,452.83
  5. Step 5: Solve for x
    x = 918,828,452.83/32,455.71
  6. Step 6: Final answer
    x = 28,310.23

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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.