Home / 50,315.58-75,472.56-12,875.31

Finding the Fourth Proportional to 50,315.58, 75,472.56 and 12,875.31

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Solution

The fourth proportional to 50,315.58, 75,472.56 and 12,875.31 is: 19,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,315.58 : 75,472.56 = 12,875.31 : x
  2. Step 2: Convert to fraction form
    50,315.58/75,472.56 = 12,875.31/x
  3. Step 3: Cross multiply
    50,315.58x = 75,472.56 × 12,875.31
  4. Step 4: Simplify right side
    50,315.58x = 971,732,606.49
  5. Step 5: Solve for x
    x = 971,732,606.49/50,315.58
  6. Step 6: Final answer
    x = 19,312.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.