Home / 52,315.23-78,430.58-18,562.65

Finding the Fourth Proportional to 52,315.23, 78,430.58 and 18,562.65

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Solution

The fourth proportional to 52,315.23, 78,430.58 and 18,562.65 is: 27,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,315.23 : 78,430.58 = 18,562.65 : x
  2. Step 2: Convert to fraction form
    52,315.23/78,430.58 = 18,562.65/x
  3. Step 3: Cross multiply
    52,315.23x = 78,430.58 × 18,562.65
  4. Step 4: Simplify right side
    52,315.23x = 1,455,879,088.52
  5. Step 5: Solve for x
    x = 1,455,879,088.52/52,315.23
  6. Step 6: Final answer
    x = 27,828.97

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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.