Home / 32,783.90-45,240.46-19,359.48

Finding the Fourth Proportional to 32,783.90, 45,240.46 and 19,359.48

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Solution

The fourth proportional to 32,783.90, 45,240.46 and 19,359.48 is: 26,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.90 : 45,240.46 = 19,359.48 : x
  2. Step 2: Convert to fraction form
    32,783.90/45,240.46 = 19,359.48/x
  3. Step 3: Cross multiply
    32,783.90x = 45,240.46 × 19,359.48
  4. Step 4: Simplify right side
    32,783.90x = 875,831,780.56
  5. Step 5: Solve for x
    x = 875,831,780.56/32,783.90
  6. Step 6: Final answer
    x = 26,715.30

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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.