Home / 54,868.84-82,303.28-13,315.84

Finding the Fourth Proportional to 54,868.84, 82,303.28 and 13,315.84

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Solution

The fourth proportional to 54,868.84, 82,303.28 and 13,315.84 is: 19,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.84 : 82,303.28 = 13,315.84 : x
  2. Step 2: Convert to fraction form
    54,868.84/82,303.28 = 13,315.84/x
  3. Step 3: Cross multiply
    54,868.84x = 82,303.28 × 13,315.84
  4. Step 4: Simplify right side
    54,868.84x = 1,095,937,307.96
  5. Step 5: Solve for x
    x = 1,095,937,307.96/54,868.84
  6. Step 6: Final answer
    x = 19,973.76

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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.