Home / 36,783.36-55,140.48-19,264.68

Finding the Fourth Proportional to 36,783.36, 55,140.48 and 19,264.68

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Solution

The fourth proportional to 36,783.36, 55,140.48 and 19,264.68 is: 28,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.36 : 55,140.48 = 19,264.68 : x
  2. Step 2: Convert to fraction form
    36,783.36/55,140.48 = 19,264.68/x
  3. Step 3: Cross multiply
    36,783.36x = 55,140.48 × 19,264.68
  4. Step 4: Simplify right side
    36,783.36x = 1,062,263,702.25
  5. Step 5: Solve for x
    x = 1,062,263,702.25/36,783.36
  6. Step 6: Final answer
    x = 28,878.92

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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.