Home / 32,513.07-44,866.56-20,419.80

Finding the Fourth Proportional to 32,513.07, 44,866.56 and 20,419.80

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Solution

The fourth proportional to 32,513.07, 44,866.56 and 20,419.80 is: 28,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513.07 : 44,866.56 = 20,419.80 : x
  2. Step 2: Convert to fraction form
    32,513.07/44,866.56 = 20,419.80/x
  3. Step 3: Cross multiply
    32,513.07x = 44,866.56 × 20,419.80
  4. Step 4: Simplify right side
    32,513.07x = 916,166,181.89
  5. Step 5: Solve for x
    x = 916,166,181.89/32,513.07
  6. Step 6: Final answer
    x = 28,178.40

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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.