Home / 38,989.20-58,485.60-19,017.06

Finding the Fourth Proportional to 38,989.20, 58,485.60 and 19,017.06

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Solution

The fourth proportional to 38,989.20, 58,485.60 and 19,017.06 is: 28,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,989.20 : 58,485.60 = 19,017.06 : x
  2. Step 2: Convert to fraction form
    38,989.20/58,485.60 = 19,017.06/x
  3. Step 3: Cross multiply
    38,989.20x = 58,485.60 × 19,017.06
  4. Step 4: Simplify right side
    38,989.20x = 1,112,224,164.34
  5. Step 5: Solve for x
    x = 1,112,224,164.34/38,989.20
  6. Step 6: Final answer
    x = 28,526.47

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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.