Home / 35,391.90-53,025.48-18,715.08

Finding the Fourth Proportional to 35,391.90, 53,025.48 and 18,715.08

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Solution

The fourth proportional to 35,391.90, 53,025.48 and 18,715.08 is: 28,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.90 : 53,025.48 = 18,715.08 : x
  2. Step 2: Convert to fraction form
    35,391.90/53,025.48 = 18,715.08/x
  3. Step 3: Cross multiply
    35,391.90x = 53,025.48 × 18,715.08
  4. Step 4: Simplify right side
    35,391.90x = 992,376,100.24
  5. Step 5: Solve for x
    x = 992,376,100.24/35,391.90
  6. Step 6: Final answer
    x = 28,039.64

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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.