Home / 51,941.28-71,701.56-40,430.10

Finding the Fourth Proportional to 51,941.28, 71,701.56 and 40,430.10

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Solution

The fourth proportional to 51,941.28, 71,701.56 and 40,430.10 is: 55,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,941.28 : 71,701.56 = 40,430.10 : x
  2. Step 2: Convert to fraction form
    51,941.28/71,701.56 = 40,430.10/x
  3. Step 3: Cross multiply
    51,941.28x = 71,701.56 × 40,430.10
  4. Step 4: Simplify right side
    51,941.28x = 2,898,901,240.96
  5. Step 5: Solve for x
    x = 2,898,901,240.96/51,941.28
  6. Step 6: Final answer
    x = 55,811.12

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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.