Home / 51,260.86-70,740.57-28,904.86

Finding the Fourth Proportional to 51,260.86, 70,740.57 and 28,904.86

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Solution

The fourth proportional to 51,260.86, 70,740.57 and 28,904.86 is: 39,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.86 : 70,740.57 = 28,904.86 : x
  2. Step 2: Convert to fraction form
    51,260.86/70,740.57 = 28,904.86/x
  3. Step 3: Cross multiply
    51,260.86x = 70,740.57 × 28,904.86
  4. Step 4: Simplify right side
    51,260.86x = 2,044,746,272.17
  5. Step 5: Solve for x
    x = 2,044,746,272.17/51,260.86
  6. Step 6: Final answer
    x = 39,889.04

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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.