Home / 54,678.20-75,455.90-29,527.70

Finding the Fourth Proportional to 54,678.20, 75,455.90 and 29,527.70

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Solution

The fourth proportional to 54,678.20, 75,455.90 and 29,527.70 is: 40,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678.20 : 75,455.90 = 29,527.70 : x
  2. Step 2: Convert to fraction form
    54,678.20/75,455.90 = 29,527.70/x
  3. Step 3: Cross multiply
    54,678.20x = 75,455.90 × 29,527.70
  4. Step 4: Simplify right side
    54,678.20x = 2,228,038,653.51
  5. Step 5: Solve for x
    x = 2,228,038,653.51/54,678.20
  6. Step 6: Final answer
    x = 40,748.21

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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.