Home / 51,000.98-76,501.37-13,561.07

Finding the Fourth Proportional to 51,000.98, 76,501.37 and 13,561.07

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Solution

The fourth proportional to 51,000.98, 76,501.37 and 13,561.07 is: 20,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.98 : 76,501.37 = 13,561.07 : x
  2. Step 2: Convert to fraction form
    51,000.98/76,501.37 = 13,561.07/x
  3. Step 3: Cross multiply
    51,000.98x = 76,501.37 × 13,561.07
  4. Step 4: Simplify right side
    51,000.98x = 1,037,440,085.06
  5. Step 5: Solve for x
    x = 1,037,440,085.06/51,000.98
  6. Step 6: Final answer
    x = 20,341.57

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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.