Home / 55,275.32-76,277.34-30,124.28

Finding the Fourth Proportional to 55,275.32, 76,277.34 and 30,124.28

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Solution

The fourth proportional to 55,275.32, 76,277.34 and 30,124.28 is: 41,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.32 : 76,277.34 = 30,124.28 : x
  2. Step 2: Convert to fraction form
    55,275.32/76,277.34 = 30,124.28/x
  3. Step 3: Cross multiply
    55,275.32x = 76,277.34 × 30,124.28
  4. Step 4: Simplify right side
    55,275.32x = 2,297,799,947.82
  5. Step 5: Solve for x
    x = 2,297,799,947.82/55,275.32
  6. Step 6: Final answer
    x = 41,570.09

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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.