Home / 42,803.20-64,204.80-41,190.40

Finding the Fourth Proportional to 42,803.20, 64,204.80 and 41,190.40

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Solution

The fourth proportional to 42,803.20, 64,204.80 and 41,190.40 is: 61,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.20 : 64,204.80 = 41,190.40 : x
  2. Step 2: Convert to fraction form
    42,803.20/64,204.80 = 41,190.40/x
  3. Step 3: Cross multiply
    42,803.20x = 64,204.80 × 41,190.40
  4. Step 4: Simplify right side
    42,803.20x = 2,644,621,393.92
  5. Step 5: Solve for x
    x = 2,644,621,393.92/42,803.20
  6. Step 6: Final answer
    x = 61,785.60

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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.