Home / 48,218.40-72,254.70-40,782.60

Finding the Fourth Proportional to 48,218.40, 72,254.70 and 40,782.60

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Solution

The fourth proportional to 48,218.40, 72,254.70 and 40,782.60 is: 61,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,218.40 : 72,254.70 = 40,782.60 : x
  2. Step 2: Convert to fraction form
    48,218.40/72,254.70 = 40,782.60/x
  3. Step 3: Cross multiply
    48,218.40x = 72,254.70 × 40,782.60
  4. Step 4: Simplify right side
    48,218.40x = 2,946,734,528.22
  5. Step 5: Solve for x
    x = 2,946,734,528.22/48,218.40
  6. Step 6: Final answer
    x = 61,112.24

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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.