Home / 39,861.58-59,681.64-20,080.16

Finding the Fourth Proportional to 39,861.58, 59,681.64 and 20,080.16

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Solution

The fourth proportional to 39,861.58, 59,681.64 and 20,080.16 is: 30,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861.58 : 59,681.64 = 20,080.16 : x
  2. Step 2: Convert to fraction form
    39,861.58/59,681.64 = 20,080.16/x
  3. Step 3: Cross multiply
    39,861.58x = 59,681.64 × 20,080.16
  4. Step 4: Simplify right side
    39,861.58x = 1,198,416,880.26
  5. Step 5: Solve for x
    x = 1,198,416,880.26/39,861.58
  6. Step 6: Final answer
    x = 30,064.46

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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.