Home / 52,072.84-78,108.57-12,630.28

Finding the Fourth Proportional to 52,072.84, 78,108.57 and 12,630.28

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Solution

The fourth proportional to 52,072.84, 78,108.57 and 12,630.28 is: 18,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.84 : 78,108.57 = 12,630.28 : x
  2. Step 2: Convert to fraction form
    52,072.84/78,108.57 = 12,630.28/x
  3. Step 3: Cross multiply
    52,072.84x = 78,108.57 × 12,630.28
  4. Step 4: Simplify right side
    52,072.84x = 986,533,109.50
  5. Step 5: Solve for x
    x = 986,533,109.50/52,072.84
  6. Step 6: Final answer
    x = 18,945.25

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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.