Home / 55,643.26-76,791.34-30,492.76

Finding the Fourth Proportional to 55,643.26, 76,791.34 and 30,492.76

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Solution

The fourth proportional to 55,643.26, 76,791.34 and 30,492.76 is: 42,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.26 : 76,791.34 = 30,492.76 : x
  2. Step 2: Convert to fraction form
    55,643.26/76,791.34 = 30,492.76/x
  3. Step 3: Cross multiply
    55,643.26x = 76,791.34 × 30,492.76
  4. Step 4: Simplify right side
    55,643.26x = 2,341,579,900.70
  5. Step 5: Solve for x
    x = 2,341,579,900.70/55,643.26
  6. Step 6: Final answer
    x = 42,082.00

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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.