Home / 34,503.02-51,765.47-12,315.91

Finding the Fourth Proportional to 34,503.02, 51,765.47 and 12,315.91

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Solution

The fourth proportional to 34,503.02, 51,765.47 and 12,315.91 is: 18,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,503.02 : 51,765.47 = 12,315.91 : x
  2. Step 2: Convert to fraction form
    34,503.02/51,765.47 = 12,315.91/x
  3. Step 3: Cross multiply
    34,503.02x = 51,765.47 × 12,315.91
  4. Step 4: Simplify right side
    34,503.02x = 637,538,706.30
  5. Step 5: Solve for x
    x = 637,538,706.30/34,503.02
  6. Step 6: Final answer
    x = 18,477.76

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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.