Home / 47,713.80-71,570.70-43,048.20

Finding the Fourth Proportional to 47,713.80, 71,570.70 and 43,048.20

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Solution

The fourth proportional to 47,713.80, 71,570.70 and 43,048.20 is: 64,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.80 : 71,570.70 = 43,048.20 : x
  2. Step 2: Convert to fraction form
    47,713.80/71,570.70 = 43,048.20/x
  3. Step 3: Cross multiply
    47,713.80x = 71,570.70 × 43,048.20
  4. Step 4: Simplify right side
    47,713.80x = 3,080,989,807.74
  5. Step 5: Solve for x
    x = 3,080,989,807.74/47,713.80
  6. Step 6: Final answer
    x = 64,572.30

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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.