Home / 30,792.06-45,946.26-28,911.24

Finding the Fourth Proportional to 30,792.06, 45,946.26 and 28,911.24

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Solution

The fourth proportional to 30,792.06, 45,946.26 and 28,911.24 is: 43,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.06 : 45,946.26 = 28,911.24 : x
  2. Step 2: Convert to fraction form
    30,792.06/45,946.26 = 28,911.24/x
  3. Step 3: Cross multiply
    30,792.06x = 45,946.26 × 28,911.24
  4. Step 4: Simplify right side
    30,792.06x = 1,328,363,349.96
  5. Step 5: Solve for x
    x = 1,328,363,349.96/30,792.06
  6. Step 6: Final answer
    x = 43,139.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.