Home / 40,714.79-60,981.95-31,285.40

Finding the Fourth Proportional to 40,714.79, 60,981.95 and 31,285.40

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Solution

The fourth proportional to 40,714.79, 60,981.95 and 31,285.40 is: 46,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,714.79 : 60,981.95 = 31,285.40 : x
  2. Step 2: Convert to fraction form
    40,714.79/60,981.95 = 31,285.40/x
  3. Step 3: Cross multiply
    40,714.79x = 60,981.95 × 31,285.40
  4. Step 4: Simplify right side
    40,714.79x = 1,907,844,471.83
  5. Step 5: Solve for x
    x = 1,907,844,471.83/40,714.79
  6. Step 6: Final answer
    x = 46,858.76

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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.