Home / 45,980.14-68,957.76-12,692.20

Finding the Fourth Proportional to 45,980.14, 68,957.76 and 12,692.20

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Solution

The fourth proportional to 45,980.14, 68,957.76 and 12,692.20 is: 19,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.14 : 68,957.76 = 12,692.20 : x
  2. Step 2: Convert to fraction form
    45,980.14/68,957.76 = 12,692.20/x
  3. Step 3: Cross multiply
    45,980.14x = 68,957.76 × 12,692.20
  4. Step 4: Simplify right side
    45,980.14x = 875,225,681.47
  5. Step 5: Solve for x
    x = 875,225,681.47/45,980.14
  6. Step 6: Final answer
    x = 19,034.86

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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.