Home / 53,938.20-74,437.23-30,065.04

Finding the Fourth Proportional to 53,938.20, 74,437.23 and 30,065.04

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Solution

The fourth proportional to 53,938.20, 74,437.23 and 30,065.04 is: 41,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938.20 : 74,437.23 = 30,065.04 : x
  2. Step 2: Convert to fraction form
    53,938.20/74,437.23 = 30,065.04/x
  3. Step 3: Cross multiply
    53,938.20x = 74,437.23 × 30,065.04
  4. Step 4: Simplify right side
    53,938.20x = 2,237,958,483.53
  5. Step 5: Solve for x
    x = 2,237,958,483.53/53,938.20
  6. Step 6: Final answer
    x = 41,491.16

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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.