Home / 51,628.34-71,240.76-30,403.50

Finding the Fourth Proportional to 51,628.34, 71,240.76 and 30,403.50

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Solution

The fourth proportional to 51,628.34, 71,240.76 and 30,403.50 is: 41,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.34 : 71,240.76 = 30,403.50 : x
  2. Step 2: Convert to fraction form
    51,628.34/71,240.76 = 30,403.50/x
  3. Step 3: Cross multiply
    51,628.34x = 71,240.76 × 30,403.50
  4. Step 4: Simplify right side
    51,628.34x = 2,165,968,446.66
  5. Step 5: Solve for x
    x = 2,165,968,446.66/51,628.34
  6. Step 6: Final answer
    x = 41,953.10

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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.