Home / 52,133.56-78,200.36-18,852.89

Finding the Fourth Proportional to 52,133.56, 78,200.36 and 18,852.89

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Solution

The fourth proportional to 52,133.56, 78,200.36 and 18,852.89 is: 28,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.56 : 78,200.36 = 18,852.89 : x
  2. Step 2: Convert to fraction form
    52,133.56/78,200.36 = 18,852.89/x
  3. Step 3: Cross multiply
    52,133.56x = 78,200.36 × 18,852.89
  4. Step 4: Simplify right side
    52,133.56x = 1,474,302,785.04
  5. Step 5: Solve for x
    x = 1,474,302,785.04/52,133.56
  6. Step 6: Final answer
    x = 28,279.34

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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.