Home / 30,386.48-45,585.07-10,391.27

Finding the Fourth Proportional to 30,386.48, 45,585.07 and 10,391.27

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Solution

The fourth proportional to 30,386.48, 45,585.07 and 10,391.27 is: 15,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.48 : 45,585.07 = 10,391.27 : x
  2. Step 2: Convert to fraction form
    30,386.48/45,585.07 = 10,391.27/x
  3. Step 3: Cross multiply
    30,386.48x = 45,585.07 × 10,391.27
  4. Step 4: Simplify right side
    30,386.48x = 473,686,770.34
  5. Step 5: Solve for x
    x = 473,686,770.34/30,386.48
  6. Step 6: Final answer
    x = 15,588.73

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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.