Home / 51,206.10-76,809.15-39,542.10

Finding the Fourth Proportional to 51,206.10, 76,809.15 and 39,542.10

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Solution

The fourth proportional to 51,206.10, 76,809.15 and 39,542.10 is: 59,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.10 : 76,809.15 = 39,542.10 : x
  2. Step 2: Convert to fraction form
    51,206.10/76,809.15 = 39,542.10/x
  3. Step 3: Cross multiply
    51,206.10x = 76,809.15 × 39,542.10
  4. Step 4: Simplify right side
    51,206.10x = 3,037,195,090.22
  5. Step 5: Solve for x
    x = 3,037,195,090.22/51,206.10
  6. Step 6: Final answer
    x = 59,313.15

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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.