Home / 51,749.84-71,415.02-30,240.84

Finding the Fourth Proportional to 51,749.84, 71,415.02 and 30,240.84

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Solution

The fourth proportional to 51,749.84, 71,415.02 and 30,240.84 is: 41,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,749.84 : 71,415.02 = 30,240.84 : x
  2. Step 2: Convert to fraction form
    51,749.84/71,415.02 = 30,240.84/x
  3. Step 3: Cross multiply
    51,749.84x = 71,415.02 × 30,240.84
  4. Step 4: Simplify right side
    51,749.84x = 2,159,650,193.42
  5. Step 5: Solve for x
    x = 2,159,650,193.42/51,749.84
  6. Step 6: Final answer
    x = 41,732.50

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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.