Home / 55,985.34-77,256.23-30,834.84

Finding the Fourth Proportional to 55,985.34, 77,256.23 and 30,834.84

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Solution

The fourth proportional to 55,985.34, 77,256.23 and 30,834.84 is: 42,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.34 : 77,256.23 = 30,834.84 : x
  2. Step 2: Convert to fraction form
    55,985.34/77,256.23 = 30,834.84/x
  3. Step 3: Cross multiply
    55,985.34x = 77,256.23 × 30,834.84
  4. Step 4: Simplify right side
    55,985.34x = 2,382,183,336.88
  5. Step 5: Solve for x
    x = 2,382,183,336.88/55,985.34
  6. Step 6: Final answer
    x = 42,550.13

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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.