Home / 64,759.32-97,144.47-18,012.20

Finding the Fourth Proportional to 64,759.32, 97,144.47 and 18,012.20

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Solution

The fourth proportional to 64,759.32, 97,144.47 and 18,012.20 is: 27,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.32 : 97,144.47 = 18,012.20 : x
  2. Step 2: Convert to fraction form
    64,759.32/97,144.47 = 18,012.20/x
  3. Step 3: Cross multiply
    64,759.32x = 97,144.47 × 18,012.20
  4. Step 4: Simplify right side
    64,759.32x = 1,749,785,136.81
  5. Step 5: Solve for x
    x = 1,749,785,136.81/64,759.32
  6. Step 6: Final answer
    x = 27,019.82

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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.