Home / 35,391.26-53,085.71-10,431.72

Finding the Fourth Proportional to 35,391.26, 53,085.71 and 10,431.72

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Solution

The fourth proportional to 35,391.26, 53,085.71 and 10,431.72 is: 15,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.26 : 53,085.71 = 10,431.72 : x
  2. Step 2: Convert to fraction form
    35,391.26/53,085.71 = 10,431.72/x
  3. Step 3: Cross multiply
    35,391.26x = 53,085.71 × 10,431.72
  4. Step 4: Simplify right side
    35,391.26x = 553,775,288.80
  5. Step 5: Solve for x
    x = 553,775,288.80/35,391.26
  6. Step 6: Final answer
    x = 15,647.23

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1.5x scale

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.