Home / 37,980.16-56,965.92-10,280.32

Finding the Fourth Proportional to 37,980.16, 56,965.92 and 10,280.32

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Solution

The fourth proportional to 37,980.16, 56,965.92 and 10,280.32 is: 15,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980.16 : 56,965.92 = 10,280.32 : x
  2. Step 2: Convert to fraction form
    37,980.16/56,965.92 = 10,280.32/x
  3. Step 3: Cross multiply
    37,980.16x = 56,965.92 × 10,280.32
  4. Step 4: Simplify right side
    37,980.16x = 585,627,886.69
  5. Step 5: Solve for x
    x = 585,627,886.69/37,980.16
  6. Step 6: Final answer
    x = 15,419.31

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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.