Home / 32,783.03-45,242.96-20,038.62

Finding the Fourth Proportional to 32,783.03, 45,242.96 and 20,038.62

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Solution

The fourth proportional to 32,783.03, 45,242.96 and 20,038.62 is: 27,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.03 : 45,242.96 = 20,038.62 : x
  2. Step 2: Convert to fraction form
    32,783.03/45,242.96 = 20,038.62/x
  3. Step 3: Cross multiply
    32,783.03x = 45,242.96 × 20,038.62
  4. Step 4: Simplify right side
    32,783.03x = 906,606,552.58
  5. Step 5: Solve for x
    x = 906,606,552.58/32,783.03
  6. Step 6: Final answer
    x = 27,654.75

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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.