Home / 55,887.41-77,126.09-30,737.57

Finding the Fourth Proportional to 55,887.41, 77,126.09 and 30,737.57

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Solution

The fourth proportional to 55,887.41, 77,126.09 and 30,737.57 is: 42,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.41 : 77,126.09 = 30,737.57 : x
  2. Step 2: Convert to fraction form
    55,887.41/77,126.09 = 30,737.57/x
  3. Step 3: Cross multiply
    55,887.41x = 77,126.09 × 30,737.57
  4. Step 4: Simplify right side
    55,887.41x = 2,370,668,436.51
  5. Step 5: Solve for x
    x = 2,370,668,436.51/55,887.41
  6. Step 6: Final answer
    x = 42,418.65

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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.