Home / 58,586.27-87,879.53-21,172.76

Finding the Fourth Proportional to 58,586.27, 87,879.53 and 21,172.76

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Solution

The fourth proportional to 58,586.27, 87,879.53 and 21,172.76 is: 31,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,586.27 : 87,879.53 = 21,172.76 : x
  2. Step 2: Convert to fraction form
    58,586.27/87,879.53 = 21,172.76/x
  3. Step 3: Cross multiply
    58,586.27x = 87,879.53 × 21,172.76
  4. Step 4: Simplify right side
    58,586.27x = 1,860,652,192.07
  5. Step 5: Solve for x
    x = 1,860,652,192.07/58,586.27
  6. Step 6: Final answer
    x = 31,759.18

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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.