Home / 51,520.80-77,281.20-48,410.40

Finding the Fourth Proportional to 51,520.80, 77,281.20 and 48,410.40

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Solution

The fourth proportional to 51,520.80, 77,281.20 and 48,410.40 is: 72,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.80 : 77,281.20 = 48,410.40 : x
  2. Step 2: Convert to fraction form
    51,520.80/77,281.20 = 48,410.40/x
  3. Step 3: Cross multiply
    51,520.80x = 77,281.20 × 48,410.40
  4. Step 4: Simplify right side
    51,520.80x = 3,741,213,804.48
  5. Step 5: Solve for x
    x = 3,741,213,804.48/51,520.80
  6. Step 6: Final answer
    x = 72,615.60

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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.