Home / 45,905.84-63,350.40-29,980.88

Finding the Fourth Proportional to 45,905.84, 63,350.40 and 29,980.88

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Solution

The fourth proportional to 45,905.84, 63,350.40 and 29,980.88 is: 41,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.84 : 63,350.40 = 29,980.88 : x
  2. Step 2: Convert to fraction form
    45,905.84/63,350.40 = 29,980.88/x
  3. Step 3: Cross multiply
    45,905.84x = 63,350.40 × 29,980.88
  4. Step 4: Simplify right side
    45,905.84x = 1,899,300,740.35
  5. Step 5: Solve for x
    x = 1,899,300,740.35/45,905.84
  6. Step 6: Final answer
    x = 41,373.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.