Home / 36,130.50-49,915.08-28,878.30

Finding the Fourth Proportional to 36,130.50, 49,915.08 and 28,878.30

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Solution

The fourth proportional to 36,130.50, 49,915.08 and 28,878.30 is: 39,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.50 : 49,915.08 = 28,878.30 : x
  2. Step 2: Convert to fraction form
    36,130.50/49,915.08 = 28,878.30/x
  3. Step 3: Cross multiply
    36,130.50x = 49,915.08 × 28,878.30
  4. Step 4: Simplify right side
    36,130.50x = 1,441,462,654.76
  5. Step 5: Solve for x
    x = 1,441,462,654.76/36,130.50
  6. Step 6: Final answer
    x = 39,896.01

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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.