Home / 51,024.55-70,415.40-30,885.11

Finding the Fourth Proportional to 51,024.55, 70,415.40 and 30,885.11

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Solution

The fourth proportional to 51,024.55, 70,415.40 and 30,885.11 is: 42,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,024.55 : 70,415.40 = 30,885.11 : x
  2. Step 2: Convert to fraction form
    51,024.55/70,415.40 = 30,885.11/x
  3. Step 3: Cross multiply
    51,024.55x = 70,415.40 × 30,885.11
  4. Step 4: Simplify right side
    51,024.55x = 2,174,787,711.72
  5. Step 5: Solve for x
    x = 2,174,787,711.72/51,024.55
  6. Step 6: Final answer
    x = 42,622.38

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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.