Home / 36,615.34-54,860.32-19,987.05

Finding the Fourth Proportional to 36,615.34, 54,860.32 and 19,987.05

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Solution

The fourth proportional to 36,615.34, 54,860.32 and 19,987.05 is: 29,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.34 : 54,860.32 = 19,987.05 : x
  2. Step 2: Convert to fraction form
    36,615.34/54,860.32 = 19,987.05/x
  3. Step 3: Cross multiply
    36,615.34x = 54,860.32 × 19,987.05
  4. Step 4: Simplify right side
    36,615.34x = 1,096,495,958.86
  5. Step 5: Solve for x
    x = 1,096,495,958.86/36,615.34
  6. Step 6: Final answer
    x = 29,946.35

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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.