Home / 51,260.61-70,740.23-28,904.61

Finding the Fourth Proportional to 51,260.61, 70,740.23 and 28,904.61

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Solution

The fourth proportional to 51,260.61, 70,740.23 and 28,904.61 is: 39,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.61 : 70,740.23 = 28,904.61 : x
  2. Step 2: Convert to fraction form
    51,260.61/70,740.23 = 28,904.61/x
  3. Step 3: Cross multiply
    51,260.61x = 70,740.23 × 28,904.61
  4. Step 4: Simplify right side
    51,260.61x = 2,044,718,614.94
  5. Step 5: Solve for x
    x = 2,044,718,614.94/51,260.61
  6. Step 6: Final answer
    x = 39,888.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.