Home / 53,631.32-74,011.73-29,760.21

Finding the Fourth Proportional to 53,631.32, 74,011.73 and 29,760.21

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Solution

The fourth proportional to 53,631.32, 74,011.73 and 29,760.21 is: 41,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.32 : 74,011.73 = 29,760.21 : x
  2. Step 2: Convert to fraction form
    53,631.32/74,011.73 = 29,760.21/x
  3. Step 3: Cross multiply
    53,631.32x = 74,011.73 × 29,760.21
  4. Step 4: Simplify right side
    53,631.32x = 2,202,604,478.46
  5. Step 5: Solve for x
    x = 2,202,604,478.46/53,631.32
  6. Step 6: Final answer
    x = 41,069.37

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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.