Home / 30,302.60-41,810.46-18,363.20

Finding the Fourth Proportional to 30,302.60, 41,810.46 and 18,363.20

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Solution

The fourth proportional to 30,302.60, 41,810.46 and 18,363.20 is: 25,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.60 : 41,810.46 = 18,363.20 : x
  2. Step 2: Convert to fraction form
    30,302.60/41,810.46 = 18,363.20/x
  3. Step 3: Cross multiply
    30,302.60x = 41,810.46 × 18,363.20
  4. Step 4: Simplify right side
    30,302.60x = 767,773,839.07
  5. Step 5: Solve for x
    x = 767,773,839.07/30,302.60
  6. Step 6: Final answer
    x = 25,336.90

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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.