Home / 47,780.86-71,365.74-43,271.20

Finding the Fourth Proportional to 47,780.86, 71,365.74 and 43,271.20

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Solution

The fourth proportional to 47,780.86, 71,365.74 and 43,271.20 is: 64,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.86 : 71,365.74 = 43,271.20 : x
  2. Step 2: Convert to fraction form
    47,780.86/71,365.74 = 43,271.20/x
  3. Step 3: Cross multiply
    47,780.86x = 71,365.74 × 43,271.20
  4. Step 4: Simplify right side
    47,780.86x = 3,088,080,851.86
  5. Step 5: Solve for x
    x = 3,088,080,851.86/47,780.86
  6. Step 6: Final answer
    x = 64,630.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.