Home / 56,284.69-77,673.48-30,790.50

Finding the Fourth Proportional to 56,284.69, 77,673.48 and 30,790.50

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Solution

The fourth proportional to 56,284.69, 77,673.48 and 30,790.50 is: 42,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,284.69 : 77,673.48 = 30,790.50 : x
  2. Step 2: Convert to fraction form
    56,284.69/77,673.48 = 30,790.50/x
  3. Step 3: Cross multiply
    56,284.69x = 77,673.48 × 30,790.50
  4. Step 4: Simplify right side
    56,284.69x = 2,391,605,480.12
  5. Step 5: Solve for x
    x = 2,391,605,480.12/56,284.69
  6. Step 6: Final answer
    x = 42,491.23

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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.