Home / 31,303,916.48-43,162,527.84-28,982,313.92

Finding the Fourth Proportional to 31,303,916.48, 43,162,527.84 and 28,982,313.92

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Solution

The fourth proportional to 31,303,916.48, 43,162,527.84 and 28,982,313.92 is: 39,961,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303,916.48 : 43,162,527.84 = 28,982,313.92 : x
  2. Step 2: Convert to fraction form
    31,303,916.48/43,162,527.84 = 28,982,313.92/x
  3. Step 3: Cross multiply
    31,303,916.48x = 43,162,527.84 × 28,982,313.92
  4. Step 4: Simplify right side
    31,303,916.48x = 1,250,949,931,439,619.75
  5. Step 5: Solve for x
    x = 1,250,949,931,439,619.75/31,303,916.48
  6. Step 6: Final answer
    x = 39,961,451.22

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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.