Home / 48,278.58-72,423.34-43,317.74

Finding the Fourth Proportional to 48,278.58, 72,423.34 and 43,317.74

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Solution

The fourth proportional to 48,278.58, 72,423.34 and 43,317.74 is: 64,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.58 : 72,423.34 = 43,317.74 : x
  2. Step 2: Convert to fraction form
    48,278.58/72,423.34 = 43,317.74/x
  3. Step 3: Cross multiply
    48,278.58x = 72,423.34 × 43,317.74
  4. Step 4: Simplify right side
    48,278.58x = 3,137,214,941.64
  5. Step 5: Solve for x
    x = 3,137,214,941.64/48,278.58
  6. Step 6: Final answer
    x = 64,981.51

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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.