Home / 70,245.23-96,931.62-40,029.80

Finding the Fourth Proportional to 70,245.23, 96,931.62 and 40,029.80

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Solution

The fourth proportional to 70,245.23, 96,931.62 and 40,029.80 is: 55,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245.23 : 96,931.62 = 40,029.80 : x
  2. Step 2: Convert to fraction form
    70,245.23/96,931.62 = 40,029.80/x
  3. Step 3: Cross multiply
    70,245.23x = 96,931.62 × 40,029.80
  4. Step 4: Simplify right side
    70,245.23x = 3,880,152,877.62
  5. Step 5: Solve for x
    x = 3,880,152,877.62/70,245.23
  6. Step 6: Final answer
    x = 55,237.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.