Home / 38,982.40-58,444.80-16,777.60

Finding the Fourth Proportional to 38,982.40, 58,444.80 and 16,777.60

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Solution

The fourth proportional to 38,982.40, 58,444.80 and 16,777.60 is: 25,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.40 : 58,444.80 = 16,777.60 : x
  2. Step 2: Convert to fraction form
    38,982.40/58,444.80 = 16,777.60/x
  3. Step 3: Cross multiply
    38,982.40x = 58,444.80 × 16,777.60
  4. Step 4: Simplify right side
    38,982.40x = 980,563,476.48
  5. Step 5: Solve for x
    x = 980,563,476.48/38,982.40
  6. Step 6: Final answer
    x = 25,154.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.