Home / 52,849.98-79,300.95-21,258.75

Finding the Fourth Proportional to 52,849.98, 79,300.95 and 21,258.75

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Solution

The fourth proportional to 52,849.98, 79,300.95 and 21,258.75 is: 31,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,849.98 : 79,300.95 = 21,258.75 : x
  2. Step 2: Convert to fraction form
    52,849.98/79,300.95 = 21,258.75/x
  3. Step 3: Cross multiply
    52,849.98x = 79,300.95 × 21,258.75
  4. Step 4: Simplify right side
    52,849.98x = 1,685,839,070.81
  5. Step 5: Solve for x
    x = 1,685,839,070.81/52,849.98
  6. Step 6: Final answer
    x = 31,898.58

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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.