Home / 55,776.23-83,664.51-39,210.38

Finding the Fourth Proportional to 55,776.23, 83,664.51 and 39,210.38

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Solution

The fourth proportional to 55,776.23, 83,664.51 and 39,210.38 is: 58,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.23 : 83,664.51 = 39,210.38 : x
  2. Step 2: Convert to fraction form
    55,776.23/83,664.51 = 39,210.38/x
  3. Step 3: Cross multiply
    55,776.23x = 83,664.51 × 39,210.38
  4. Step 4: Simplify right side
    55,776.23x = 3,280,516,811.29
  5. Step 5: Solve for x
    x = 3,280,516,811.29/55,776.23
  6. Step 6: Final answer
    x = 58,815.68

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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.