Home / 43,428.74-65,111.76-29,353.91

Finding the Fourth Proportional to 43,428.74, 65,111.76 and 29,353.91

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Solution

The fourth proportional to 43,428.74, 65,111.76 and 29,353.91 is: 44,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,428.74 : 65,111.76 = 29,353.91 : x
  2. Step 2: Convert to fraction form
    43,428.74/65,111.76 = 29,353.91/x
  3. Step 3: Cross multiply
    43,428.74x = 65,111.76 × 29,353.91
  4. Step 4: Simplify right side
    43,428.74x = 1,911,284,417.42
  5. Step 5: Solve for x
    x = 1,911,284,417.42/43,428.74
  6. Step 6: Final answer
    x = 44,009.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.