Home / 47,425.42-71,142.86-14,139.60

Finding the Fourth Proportional to 47,425.42, 71,142.86 and 14,139.60

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Solution

The fourth proportional to 47,425.42, 71,142.86 and 14,139.60 is: 21,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.42 : 71,142.86 = 14,139.60 : x
  2. Step 2: Convert to fraction form
    47,425.42/71,142.86 = 14,139.60/x
  3. Step 3: Cross multiply
    47,425.42x = 71,142.86 × 14,139.60
  4. Step 4: Simplify right side
    47,425.42x = 1,005,931,583.26
  5. Step 5: Solve for x
    x = 1,005,931,583.26/47,425.42
  6. Step 6: Final answer
    x = 21,210.81

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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.