Home / 20,349.45-30,483.95-15,946.29

Finding the Fourth Proportional to 20,349.45, 30,483.95 and 15,946.29

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Solution

The fourth proportional to 20,349.45, 30,483.95 and 15,946.29 is: 23,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.45 : 30,483.95 = 15,946.29 : x
  2. Step 2: Convert to fraction form
    20,349.45/30,483.95 = 15,946.29/x
  3. Step 3: Cross multiply
    20,349.45x = 30,483.95 × 15,946.29
  4. Step 4: Simplify right side
    20,349.45x = 486,105,827.31
  5. Step 5: Solve for x
    x = 486,105,827.31/20,349.45
  6. Step 6: Final answer
    x = 23,887.91

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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.