Home / 47,316.42-71,020.80-39,080.34

Finding the Fourth Proportional to 47,316.42, 71,020.80 and 39,080.34

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Solution

The fourth proportional to 47,316.42, 71,020.80 and 39,080.34 is: 58,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,316.42 : 71,020.80 = 39,080.34 : x
  2. Step 2: Convert to fraction form
    47,316.42/71,020.80 = 39,080.34/x
  3. Step 3: Cross multiply
    47,316.42x = 71,020.80 × 39,080.34
  4. Step 4: Simplify right side
    47,316.42x = 2,775,517,011.07
  5. Step 5: Solve for x
    x = 2,775,517,011.07/47,316.42
  6. Step 6: Final answer
    x = 58,658.64

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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.