Home / 36,567.40-54,908.70-21,015.40

Finding the Fourth Proportional to 36,567.40, 54,908.70 and 21,015.40

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Solution

The fourth proportional to 36,567.40, 54,908.70 and 21,015.40 is: 31,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,567.40 : 54,908.70 = 21,015.40 : x
  2. Step 2: Convert to fraction form
    36,567.40/54,908.70 = 21,015.40/x
  3. Step 3: Cross multiply
    36,567.40x = 54,908.70 × 21,015.40
  4. Step 4: Simplify right side
    36,567.40x = 1,153,928,293.98
  5. Step 5: Solve for x
    x = 1,153,928,293.98/36,567.40
  6. Step 6: Final answer
    x = 31,556.20

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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.