Home / 37,792.20-56,688.30-12,838.80

Finding the Fourth Proportional to 37,792.20, 56,688.30 and 12,838.80

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Solution

The fourth proportional to 37,792.20, 56,688.30 and 12,838.80 is: 19,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,792.20 : 56,688.30 = 12,838.80 : x
  2. Step 2: Convert to fraction form
    37,792.20/56,688.30 = 12,838.80/x
  3. Step 3: Cross multiply
    37,792.20x = 56,688.30 × 12,838.80
  4. Step 4: Simplify right side
    37,792.20x = 727,809,746.04
  5. Step 5: Solve for x
    x = 727,809,746.04/37,792.20
  6. Step 6: Final answer
    x = 19,258.20

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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.