Home / 45,000.03-67,510.98-13,835.28

Finding the Fourth Proportional to 45,000.03, 67,510.98 and 13,835.28

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Solution

The fourth proportional to 45,000.03, 67,510.98 and 13,835.28 is: 20,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.03 : 67,510.98 = 13,835.28 : x
  2. Step 2: Convert to fraction form
    45,000.03/67,510.98 = 13,835.28/x
  3. Step 3: Cross multiply
    45,000.03x = 67,510.98 × 13,835.28
  4. Step 4: Simplify right side
    45,000.03x = 934,033,311.37
  5. Step 5: Solve for x
    x = 934,033,311.37/45,000.03
  6. Step 6: Final answer
    x = 20,756.28

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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.