Home / 53,995.21-80,999.65-18,463.34

Finding the Fourth Proportional to 53,995.21, 80,999.65 and 18,463.34

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Solution

The fourth proportional to 53,995.21, 80,999.65 and 18,463.34 is: 27,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.21 : 80,999.65 = 18,463.34 : x
  2. Step 2: Convert to fraction form
    53,995.21/80,999.65 = 18,463.34/x
  3. Step 3: Cross multiply
    53,995.21x = 80,999.65 × 18,463.34
  4. Step 4: Simplify right side
    53,995.21x = 1,495,524,199.55
  5. Step 5: Solve for x
    x = 1,495,524,199.55/53,995.21
  6. Step 6: Final answer
    x = 27,697.35

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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.