Home / 55,802.12-77,007.49-30,308.73

Finding the Fourth Proportional to 55,802.12, 77,007.49 and 30,308.73

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Solution

The fourth proportional to 55,802.12, 77,007.49 and 30,308.73 is: 41,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.12 : 77,007.49 = 30,308.73 : x
  2. Step 2: Convert to fraction form
    55,802.12/77,007.49 = 30,308.73/x
  3. Step 3: Cross multiply
    55,802.12x = 77,007.49 × 30,308.73
  4. Step 4: Simplify right side
    55,802.12x = 2,333,999,222.39
  5. Step 5: Solve for x
    x = 2,333,999,222.39/55,802.12
  6. Step 6: Final answer
    x = 41,826.35

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1.5x scale

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.