Home / 35,390.08-53,106.32-13,219.04

Finding the Fourth Proportional to 35,390.08, 53,106.32 and 13,219.04

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Solution

The fourth proportional to 35,390.08, 53,106.32 and 13,219.04 is: 19,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.08 : 53,106.32 = 13,219.04 : x
  2. Step 2: Convert to fraction form
    35,390.08/53,106.32 = 13,219.04/x
  3. Step 3: Cross multiply
    35,390.08x = 53,106.32 × 13,219.04
  4. Step 4: Simplify right side
    35,390.08x = 702,014,568.33
  5. Step 5: Solve for x
    x = 702,014,568.33/35,390.08
  6. Step 6: Final answer
    x = 19,836.48

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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.