Home / 30,615.60-45,880.20-14,998.80

Finding the Fourth Proportional to 30,615.60, 45,880.20 and 14,998.80

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Solution

The fourth proportional to 30,615.60, 45,880.20 and 14,998.80 is: 22,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615.60 : 45,880.20 = 14,998.80 : x
  2. Step 2: Convert to fraction form
    30,615.60/45,880.20 = 14,998.80/x
  3. Step 3: Cross multiply
    30,615.60x = 45,880.20 × 14,998.80
  4. Step 4: Simplify right side
    30,615.60x = 688,147,943.76
  5. Step 5: Solve for x
    x = 688,147,943.76/30,615.60
  6. Step 6: Final answer
    x = 22,477.04

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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.