Home / 57,439.40-86,159.04-17,999.58

Finding the Fourth Proportional to 57,439.40, 86,159.04 and 17,999.58

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Solution

The fourth proportional to 57,439.40, 86,159.04 and 17,999.58 is: 26,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.40 : 86,159.04 = 17,999.58 : x
  2. Step 2: Convert to fraction form
    57,439.40/86,159.04 = 17,999.58/x
  3. Step 3: Cross multiply
    57,439.40x = 86,159.04 × 17,999.58
  4. Step 4: Simplify right side
    57,439.40x = 1,550,826,533.20
  5. Step 5: Solve for x
    x = 1,550,826,533.20/57,439.40
  6. Step 6: Final answer
    x = 26,999.35

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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.