Home / 55,895.35-77,133.35-30,401.74

Finding the Fourth Proportional to 55,895.35, 77,133.35 and 30,401.74

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Solution

The fourth proportional to 55,895.35, 77,133.35 and 30,401.74 is: 41,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.35 : 77,133.35 = 30,401.74 : x
  2. Step 2: Convert to fraction form
    55,895.35/77,133.35 = 30,401.74/x
  3. Step 3: Cross multiply
    55,895.35x = 77,133.35 × 30,401.74
  4. Step 4: Simplify right side
    55,895.35x = 2,344,987,733.57
  5. Step 5: Solve for x
    x = 2,344,987,733.57/55,895.35
  6. Step 6: Final answer
    x = 41,953.18

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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.