Home / 34,013.78-46,931.76-20,582.36

Finding the Fourth Proportional to 34,013.78, 46,931.76 and 20,582.36

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Solution

The fourth proportional to 34,013.78, 46,931.76 and 20,582.36 is: 28,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,013.78 : 46,931.76 = 20,582.36 : x
  2. Step 2: Convert to fraction form
    34,013.78/46,931.76 = 20,582.36/x
  3. Step 3: Cross multiply
    34,013.78x = 46,931.76 × 20,582.36
  4. Step 4: Simplify right side
    34,013.78x = 965,966,145.09
  5. Step 5: Solve for x
    x = 965,966,145.09/34,013.78
  6. Step 6: Final answer
    x = 28,399.26

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1.5x scale

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.