Home / 31,021.47-46,505.91-14,148.42

Finding the Fourth Proportional to 31,021.47, 46,505.91 and 14,148.42

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Solution

The fourth proportional to 31,021.47, 46,505.91 and 14,148.42 is: 21,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.47 : 46,505.91 = 14,148.42 : x
  2. Step 2: Convert to fraction form
    31,021.47/46,505.91 = 14,148.42/x
  3. Step 3: Cross multiply
    31,021.47x = 46,505.91 × 14,148.42
  4. Step 4: Simplify right side
    31,021.47x = 657,985,147.16
  5. Step 5: Solve for x
    x = 657,985,147.16/31,021.47
  6. Step 6: Final answer
    x = 21,210.64

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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.