Home / 51,818.40-77,487.84-39,341.16

Finding the Fourth Proportional to 51,818.40, 77,487.84 and 39,341.16

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Solution

The fourth proportional to 51,818.40, 77,487.84 and 39,341.16 is: 58,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.40 : 77,487.84 = 39,341.16 : x
  2. Step 2: Convert to fraction form
    51,818.40/77,487.84 = 39,341.16/x
  3. Step 3: Cross multiply
    51,818.40x = 77,487.84 × 39,341.16
  4. Step 4: Simplify right side
    51,818.40x = 3,048,461,511.49
  5. Step 5: Solve for x
    x = 3,048,461,511.49/51,818.40
  6. Step 6: Final answer
    x = 58,829.71

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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.