Home / 50,975.85-70,344.35-28,316.31

Finding the Fourth Proportional to 50,975.85, 70,344.35 and 28,316.31

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Solution

The fourth proportional to 50,975.85, 70,344.35 and 28,316.31 is: 39,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975.85 : 70,344.35 = 28,316.31 : x
  2. Step 2: Convert to fraction form
    50,975.85/70,344.35 = 28,316.31/x
  3. Step 3: Cross multiply
    50,975.85x = 70,344.35 × 28,316.31
  4. Step 4: Simplify right side
    50,975.85x = 1,991,892,279.77
  5. Step 5: Solve for x
    x = 1,991,892,279.77/50,975.85
  6. Step 6: Final answer
    x = 39,075.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.