Home / 50,938.08-70,302.88-28,284.42

Finding the Fourth Proportional to 50,938.08, 70,302.88 and 28,284.42

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Solution

The fourth proportional to 50,938.08, 70,302.88 and 28,284.42 is: 39,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,938.08 : 70,302.88 = 28,284.42 : x
  2. Step 2: Convert to fraction form
    50,938.08/70,302.88 = 28,284.42/x
  3. Step 3: Cross multiply
    50,938.08x = 70,302.88 × 28,284.42
  4. Step 4: Simplify right side
    50,938.08x = 1,988,476,185.13
  5. Step 5: Solve for x
    x = 1,988,476,185.13/50,938.08
  6. Step 6: Final answer
    x = 39,037.12

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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.