Home / 55,949.04-77,211.29-30,457.06

Finding the Fourth Proportional to 55,949.04, 77,211.29 and 30,457.06

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Solution

The fourth proportional to 55,949.04, 77,211.29 and 30,457.06 is: 42,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.04 : 77,211.29 = 30,457.06 : x
  2. Step 2: Convert to fraction form
    55,949.04/77,211.29 = 30,457.06/x
  3. Step 3: Cross multiply
    55,949.04x = 77,211.29 × 30,457.06
  4. Step 4: Simplify right side
    55,949.04x = 2,351,628,892.21
  5. Step 5: Solve for x
    x = 2,351,628,892.21/55,949.04
  6. Step 6: Final answer
    x = 42,031.62

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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.