Home / 49,045.69-67,685.28-28,903.42

Finding the Fourth Proportional to 49,045.69, 67,685.28 and 28,903.42

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Solution

The fourth proportional to 49,045.69, 67,685.28 and 28,903.42 is: 39,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,045.69 : 67,685.28 = 28,903.42 : x
  2. Step 2: Convert to fraction form
    49,045.69/67,685.28 = 28,903.42/x
  3. Step 3: Cross multiply
    49,045.69x = 67,685.28 × 28,903.42
  4. Step 4: Simplify right side
    49,045.69x = 1,956,336,075.66
  5. Step 5: Solve for x
    x = 1,956,336,075.66/49,045.69
  6. Step 6: Final answer
    x = 39,888.03

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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.