Home / 98,529.40-147,815.70-31,958.20

Finding the Fourth Proportional to 98,529.40, 147,815.70 and 31,958.20

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Solution

The fourth proportional to 98,529.40, 147,815.70 and 31,958.20 is: 47,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,529.40 : 147,815.70 = 31,958.20 : x
  2. Step 2: Convert to fraction form
    98,529.40/147,815.70 = 31,958.20/x
  3. Step 3: Cross multiply
    98,529.40x = 147,815.70 × 31,958.20
  4. Step 4: Simplify right side
    98,529.40x = 4,723,923,703.74
  5. Step 5: Solve for x
    x = 4,723,923,703.74/98,529.40
  6. Step 6: Final answer
    x = 47,944.31

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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.