Home / 47,323.21-71,087.90-28,612.07

Finding the Fourth Proportional to 47,323.21, 71,087.90 and 28,612.07

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Solution

The fourth proportional to 47,323.21, 71,087.90 and 28,612.07 is: 42,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323.21 : 71,087.90 = 28,612.07 : x
  2. Step 2: Convert to fraction form
    47,323.21/71,087.90 = 28,612.07/x
  3. Step 3: Cross multiply
    47,323.21x = 71,087.90 × 28,612.07
  4. Step 4: Simplify right side
    47,323.21x = 2,033,971,970.95
  5. Step 5: Solve for x
    x = 2,033,971,970.95/47,323.21
  6. Step 6: Final answer
    x = 42,980.43

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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.