Home / 70,423.72-105,577.78-32,965.56

Finding the Fourth Proportional to 70,423.72, 105,577.78 and 32,965.56

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Solution

The fourth proportional to 70,423.72, 105,577.78 and 32,965.56 is: 49,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,423.72 : 105,577.78 = 32,965.56 : x
  2. Step 2: Convert to fraction form
    70,423.72/105,577.78 = 32,965.56/x
  3. Step 3: Cross multiply
    70,423.72x = 105,577.78 × 32,965.56
  4. Step 4: Simplify right side
    70,423.72x = 3,480,430,641.26
  5. Step 5: Solve for x
    x = 3,480,430,641.26/70,423.72
  6. Step 6: Final answer
    x = 49,421.28

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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.