Home / 53,938.59-74,437.79-30,065.44

Finding the Fourth Proportional to 53,938.59, 74,437.79 and 30,065.44

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Solution

The fourth proportional to 53,938.59, 74,437.79 and 30,065.44 is: 41,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938.59 : 74,437.79 = 30,065.44 : x
  2. Step 2: Convert to fraction form
    53,938.59/74,437.79 = 30,065.44/x
  3. Step 3: Cross multiply
    53,938.59x = 74,437.79 × 30,065.44
  4. Step 4: Simplify right side
    53,938.59x = 2,238,004,908.98
  5. Step 5: Solve for x
    x = 2,238,004,908.98/53,938.59
  6. Step 6: Final answer
    x = 41,491.72

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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.