Home / 48,428.48-66,783.36-29,554.40

Finding the Fourth Proportional to 48,428.48, 66,783.36 and 29,554.40

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Solution

The fourth proportional to 48,428.48, 66,783.36 and 29,554.40 is: 40,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,428.48 : 66,783.36 = 29,554.40 : x
  2. Step 2: Convert to fraction form
    48,428.48/66,783.36 = 29,554.40/x
  3. Step 3: Cross multiply
    48,428.48x = 66,783.36 × 29,554.40
  4. Step 4: Simplify right side
    48,428.48x = 1,973,742,134.78
  5. Step 5: Solve for x
    x = 1,973,742,134.78/48,428.48
  6. Step 6: Final answer
    x = 40,755.81

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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.