Home / 53,013.84-79,518.24-15,572.40

Finding the Fourth Proportional to 53,013.84, 79,518.24 and 15,572.40

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Solution

The fourth proportional to 53,013.84, 79,518.24 and 15,572.40 is: 23,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.84 : 79,518.24 = 15,572.40 : x
  2. Step 2: Convert to fraction form
    53,013.84/79,518.24 = 15,572.40/x
  3. Step 3: Cross multiply
    53,013.84x = 79,518.24 × 15,572.40
  4. Step 4: Simplify right side
    53,013.84x = 1,238,289,840.58
  5. Step 5: Solve for x
    x = 1,238,289,840.58/53,013.84
  6. Step 6: Final answer
    x = 23,357.86

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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.