Home / 56,010.69-77,295.06-30,860.19

Finding the Fourth Proportional to 56,010.69, 77,295.06 and 30,860.19

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Solution

The fourth proportional to 56,010.69, 77,295.06 and 30,860.19 is: 42,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.69 : 77,295.06 = 30,860.19 : x
  2. Step 2: Convert to fraction form
    56,010.69/77,295.06 = 30,860.19/x
  3. Step 3: Cross multiply
    56,010.69x = 77,295.06 × 30,860.19
  4. Step 4: Simplify right side
    56,010.69x = 2,385,340,237.66
  5. Step 5: Solve for x
    x = 2,385,340,237.66/56,010.69
  6. Step 6: Final answer
    x = 42,587.23

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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.