Home / 30,877.36-46,305.04-13,337.60

Finding the Fourth Proportional to 30,877.36, 46,305.04 and 13,337.60

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Solution

The fourth proportional to 30,877.36, 46,305.04 and 13,337.60 is: 20,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.36 : 46,305.04 = 13,337.60 : x
  2. Step 2: Convert to fraction form
    30,877.36/46,305.04 = 13,337.60/x
  3. Step 3: Cross multiply
    30,877.36x = 46,305.04 × 13,337.60
  4. Step 4: Simplify right side
    30,877.36x = 617,598,101.50
  5. Step 5: Solve for x
    x = 617,598,101.50/30,877.36
  6. Step 6: Final answer
    x = 20,001.65

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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.