Home / 49,289.12-68,011.12-28,068.80

Finding the Fourth Proportional to 49,289.12, 68,011.12 and 28,068.80

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Solution

The fourth proportional to 49,289.12, 68,011.12 and 28,068.80 is: 38,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.12 : 68,011.12 = 28,068.80 : x
  2. Step 2: Convert to fraction form
    49,289.12/68,011.12 = 28,068.80/x
  3. Step 3: Cross multiply
    49,289.12x = 68,011.12 × 28,068.80
  4. Step 4: Simplify right side
    49,289.12x = 1,908,990,525.06
  5. Step 5: Solve for x
    x = 1,908,990,525.06/49,289.12
  6. Step 6: Final answer
    x = 38,730.46

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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.