Home / 51,238.50-70,709.13-27,686.50

Finding the Fourth Proportional to 51,238.50, 70,709.13 and 27,686.50

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Solution

The fourth proportional to 51,238.50, 70,709.13 and 27,686.50 is: 38,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.50 : 70,709.13 = 27,686.50 : x
  2. Step 2: Convert to fraction form
    51,238.50/70,709.13 = 27,686.50/x
  3. Step 3: Cross multiply
    51,238.50x = 70,709.13 × 27,686.50
  4. Step 4: Simplify right side
    51,238.50x = 1,957,688,327.75
  5. Step 5: Solve for x
    x = 1,957,688,327.75/51,238.50
  6. Step 6: Final answer
    x = 38,207.37

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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.