Home / 55,928.50-77,182.96-30,436.51

Finding the Fourth Proportional to 55,928.50, 77,182.96 and 30,436.51

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Solution

The fourth proportional to 55,928.50, 77,182.96 and 30,436.51 is: 42,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,928.50 : 77,182.96 = 30,436.51 : x
  2. Step 2: Convert to fraction form
    55,928.50/77,182.96 = 30,436.51/x
  3. Step 3: Cross multiply
    55,928.50x = 77,182.96 × 30,436.51
  4. Step 4: Simplify right side
    55,928.50x = 2,349,180,170.82
  5. Step 5: Solve for x
    x = 2,349,180,170.82/55,928.50
  6. Step 6: Final answer
    x = 42,003.27

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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.