Home / 51,606.40-77,409.60-49,638.10

Finding the Fourth Proportional to 51,606.40, 77,409.60 and 49,638.10

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Solution

The fourth proportional to 51,606.40, 77,409.60 and 49,638.10 is: 74,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.40 : 77,409.60 = 49,638.10 : x
  2. Step 2: Convert to fraction form
    51,606.40/77,409.60 = 49,638.10/x
  3. Step 3: Cross multiply
    51,606.40x = 77,409.60 × 49,638.10
  4. Step 4: Simplify right side
    51,606.40x = 3,842,465,465.76
  5. Step 5: Solve for x
    x = 3,842,465,465.76/51,606.40
  6. Step 6: Final answer
    x = 74,457.15

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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.