Home / 51,370.55-70,891.12-28,709.52

Finding the Fourth Proportional to 51,370.55, 70,891.12 and 28,709.52

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Solution

The fourth proportional to 51,370.55, 70,891.12 and 28,709.52 is: 39,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.55 : 70,891.12 = 28,709.52 : x
  2. Step 2: Convert to fraction form
    51,370.55/70,891.12 = 28,709.52/x
  3. Step 3: Cross multiply
    51,370.55x = 70,891.12 × 28,709.52
  4. Step 4: Simplify right side
    51,370.55x = 2,035,249,822.77
  5. Step 5: Solve for x
    x = 2,035,249,822.77/51,370.55
  6. Step 6: Final answer
    x = 39,619.00

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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.