Home / 51,000.80-76,501.09-13,560.87

Finding the Fourth Proportional to 51,000.80, 76,501.09 and 13,560.87

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Solution

The fourth proportional to 51,000.80, 76,501.09 and 13,560.87 is: 20,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.80 : 76,501.09 = 13,560.87 : x
  2. Step 2: Convert to fraction form
    51,000.80/76,501.09 = 13,560.87/x
  3. Step 3: Cross multiply
    51,000.80x = 76,501.09 × 13,560.87
  4. Step 4: Simplify right side
    51,000.80x = 1,037,421,640.18
  5. Step 5: Solve for x
    x = 1,037,421,640.18/51,000.80
  6. Step 6: Final answer
    x = 20,341.28

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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.