Home / 51,403.57-70,933.02-31,257.67

Finding the Fourth Proportional to 51,403.57, 70,933.02 and 31,257.67

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Solution

The fourth proportional to 51,403.57, 70,933.02 and 31,257.67 is: 43,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403.57 : 70,933.02 = 31,257.67 : x
  2. Step 2: Convert to fraction form
    51,403.57/70,933.02 = 31,257.67/x
  3. Step 3: Cross multiply
    51,403.57x = 70,933.02 × 31,257.67
  4. Step 4: Simplify right side
    51,403.57x = 2,217,200,931.26
  5. Step 5: Solve for x
    x = 2,217,200,931.26/51,403.57
  6. Step 6: Final answer
    x = 43,133.21

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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.