Home / 39,470.45-54,470.01-21,566.57

Finding the Fourth Proportional to 39,470.45, 54,470.01 and 21,566.57

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Solution

The fourth proportional to 39,470.45, 54,470.01 and 21,566.57 is: 29,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.45 : 54,470.01 = 21,566.57 : x
  2. Step 2: Convert to fraction form
    39,470.45/54,470.01 = 21,566.57/x
  3. Step 3: Cross multiply
    39,470.45x = 54,470.01 × 21,566.57
  4. Step 4: Simplify right side
    39,470.45x = 1,174,731,011.22
  5. Step 5: Solve for x
    x = 1,174,731,011.22/39,470.45
  6. Step 6: Final answer
    x = 29,762.29

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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.