Home / 51,247.08-70,721.37-28,585.71

Finding the Fourth Proportional to 51,247.08, 70,721.37 and 28,585.71

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Solution

The fourth proportional to 51,247.08, 70,721.37 and 28,585.71 is: 39,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.08 : 70,721.37 = 28,585.71 : x
  2. Step 2: Convert to fraction form
    51,247.08/70,721.37 = 28,585.71/x
  3. Step 3: Cross multiply
    51,247.08x = 70,721.37 × 28,585.71
  4. Step 4: Simplify right side
    51,247.08x = 2,021,620,573.62
  5. Step 5: Solve for x
    x = 2,021,620,573.62/51,247.08
  6. Step 6: Final answer
    x = 39,448.50

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1.5x scale

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.