Home / 30,802.06-45,961.16-28,921.24

Finding the Fourth Proportional to 30,802.06, 45,961.16 and 28,921.24

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Solution

The fourth proportional to 30,802.06, 45,961.16 and 28,921.24 is: 43,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.06 : 45,961.16 = 28,921.24 : x
  2. Step 2: Convert to fraction form
    30,802.06/45,961.16 = 28,921.24/x
  3. Step 3: Cross multiply
    30,802.06x = 45,961.16 × 28,921.24
  4. Step 4: Simplify right side
    30,802.06x = 1,329,253,739.04
  5. Step 5: Solve for x
    x = 1,329,253,739.04/30,802.06
  6. Step 6: Final answer
    x = 43,154.70

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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.