Home / 39,018.61-53,851.32-25,609.87

Finding the Fourth Proportional to 39,018.61, 53,851.32 and 25,609.87

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Solution

The fourth proportional to 39,018.61, 53,851.32 and 25,609.87 is: 35,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.61 : 53,851.32 = 25,609.87 : x
  2. Step 2: Convert to fraction form
    39,018.61/53,851.32 = 25,609.87/x
  3. Step 3: Cross multiply
    39,018.61x = 53,851.32 × 25,609.87
  4. Step 4: Simplify right side
    39,018.61x = 1,379,124,907.22
  5. Step 5: Solve for x
    x = 1,379,124,907.22/39,018.61
  6. Step 6: Final answer
    x = 35,345.32

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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.