Home / 56,197.09-77,551.32-30,703.35

Finding the Fourth Proportional to 56,197.09, 77,551.32 and 30,703.35

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Solution

The fourth proportional to 56,197.09, 77,551.32 and 30,703.35 is: 42,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197.09 : 77,551.32 = 30,703.35 : x
  2. Step 2: Convert to fraction form
    56,197.09/77,551.32 = 30,703.35/x
  3. Step 3: Cross multiply
    56,197.09x = 77,551.32 × 30,703.35
  4. Step 4: Simplify right side
    56,197.09x = 2,381,085,726.88
  5. Step 5: Solve for x
    x = 2,381,085,726.88/56,197.09
  6. Step 6: Final answer
    x = 42,370.27

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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.