Home / 50,928.59-70,281.21-28,267.85

Finding the Fourth Proportional to 50,928.59, 70,281.21 and 28,267.85

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Solution

The fourth proportional to 50,928.59, 70,281.21 and 28,267.85 is: 39,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.59 : 70,281.21 = 28,267.85 : x
  2. Step 2: Convert to fraction form
    50,928.59/70,281.21 = 28,267.85/x
  3. Step 3: Cross multiply
    50,928.59x = 70,281.21 × 28,267.85
  4. Step 4: Simplify right side
    50,928.59x = 1,986,698,702.10
  5. Step 5: Solve for x
    x = 1,986,698,702.10/50,928.59
  6. Step 6: Final answer
    x = 39,009.50

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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.