Home / 34,230.60-47,260.56-30,639.48

Finding the Fourth Proportional to 34,230.60, 47,260.56 and 30,639.48

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Solution

The fourth proportional to 34,230.60, 47,260.56 and 30,639.48 is: 42,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,230.60 : 47,260.56 = 30,639.48 : x
  2. Step 2: Convert to fraction form
    34,230.60/47,260.56 = 30,639.48/x
  3. Step 3: Cross multiply
    34,230.60x = 47,260.56 × 30,639.48
  4. Step 4: Simplify right side
    34,230.60x = 1,448,038,982.91
  5. Step 5: Solve for x
    x = 1,448,038,982.91/34,230.60
  6. Step 6: Final answer
    x = 42,302.47

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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.