Home / 38,987.16-58,479.24-10,907.16

Finding the Fourth Proportional to 38,987.16, 58,479.24 and 10,907.16

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Solution

The fourth proportional to 38,987.16, 58,479.24 and 10,907.16 is: 16,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.16 : 58,479.24 = 10,907.16 : x
  2. Step 2: Convert to fraction form
    38,987.16/58,479.24 = 10,907.16/x
  3. Step 3: Cross multiply
    38,987.16x = 58,479.24 × 10,907.16
  4. Step 4: Simplify right side
    38,987.16x = 637,842,427.36
  5. Step 5: Solve for x
    x = 637,842,427.36/38,987.16
  6. Step 6: Final answer
    x = 16,360.32

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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.