Home / 55,632.66-83,448.18-13,513.07

Finding the Fourth Proportional to 55,632.66, 83,448.18 and 13,513.07

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Solution

The fourth proportional to 55,632.66, 83,448.18 and 13,513.07 is: 20,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.66 : 83,448.18 = 13,513.07 : x
  2. Step 2: Convert to fraction form
    55,632.66/83,448.18 = 13,513.07/x
  3. Step 3: Cross multiply
    55,632.66x = 83,448.18 × 13,513.07
  4. Step 4: Simplify right side
    55,632.66x = 1,127,641,097.71
  5. Step 5: Solve for x
    x = 1,127,641,097.71/55,632.66
  6. Step 6: Final answer
    x = 20,269.41

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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.