Home / 64,909.02-97,380.78-20,536.56

Finding the Fourth Proportional to 64,909.02, 97,380.78 and 20,536.56

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Solution

The fourth proportional to 64,909.02, 97,380.78 and 20,536.56 is: 30,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.02 : 97,380.78 = 20,536.56 : x
  2. Step 2: Convert to fraction form
    64,909.02/97,380.78 = 20,536.56/x
  3. Step 3: Cross multiply
    64,909.02x = 97,380.78 × 20,536.56
  4. Step 4: Simplify right side
    64,909.02x = 1,999,866,231.32
  5. Step 5: Solve for x
    x = 1,999,866,231.32/64,909.02
  6. Step 6: Final answer
    x = 30,810.30

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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.