Home / 70,974.36-106,487.04-30,430.92

Finding the Fourth Proportional to 70,974.36, 106,487.04 and 30,430.92

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Solution

The fourth proportional to 70,974.36, 106,487.04 and 30,430.92 is: 45,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,974.36 : 106,487.04 = 30,430.92 : x
  2. Step 2: Convert to fraction form
    70,974.36/106,487.04 = 30,430.92/x
  3. Step 3: Cross multiply
    70,974.36x = 106,487.04 × 30,430.92
  4. Step 4: Simplify right side
    70,974.36x = 3,240,498,595.28
  5. Step 5: Solve for x
    x = 3,240,498,595.28/70,974.36
  6. Step 6: Final answer
    x = 45,657.31

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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.