Home / 55,436.63-76,412.70-43,315.92

Finding the Fourth Proportional to 55,436.63, 76,412.70 and 43,315.92

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Solution

The fourth proportional to 55,436.63, 76,412.70 and 43,315.92 is: 59,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,436.63 : 76,412.70 = 43,315.92 : x
  2. Step 2: Convert to fraction form
    55,436.63/76,412.70 = 43,315.92/x
  3. Step 3: Cross multiply
    55,436.63x = 76,412.70 × 43,315.92
  4. Step 4: Simplify right side
    55,436.63x = 3,309,886,400.18
  5. Step 5: Solve for x
    x = 3,309,886,400.18/55,436.63
  6. Step 6: Final answer
    x = 59,705.77

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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.