Home / 45,899.18-63,381.26-28,701.02

Finding the Fourth Proportional to 45,899.18, 63,381.26 and 28,701.02

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Solution

The fourth proportional to 45,899.18, 63,381.26 and 28,701.02 is: 39,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.18 : 63,381.26 = 28,701.02 : x
  2. Step 2: Convert to fraction form
    45,899.18/63,381.26 = 28,701.02/x
  3. Step 3: Cross multiply
    45,899.18x = 63,381.26 × 28,701.02
  4. Step 4: Simplify right side
    45,899.18x = 1,819,107,041.09
  5. Step 5: Solve for x
    x = 1,819,107,041.09/45,899.18
  6. Step 6: Final answer
    x = 39,632.67

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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.