Home / 51,300.08-70,785.34-28,637.90

Finding the Fourth Proportional to 51,300.08, 70,785.34 and 28,637.90

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Solution

The fourth proportional to 51,300.08, 70,785.34 and 28,637.90 is: 39,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,300.08 : 70,785.34 = 28,637.90 : x
  2. Step 2: Convert to fraction form
    51,300.08/70,785.34 = 28,637.90/x
  3. Step 3: Cross multiply
    51,300.08x = 70,785.34 × 28,637.90
  4. Step 4: Simplify right side
    51,300.08x = 2,027,143,488.39
  5. Step 5: Solve for x
    x = 2,027,143,488.39/51,300.08
  6. Step 6: Final answer
    x = 39,515.41

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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.