Home / 53,735.28-74,155.08-31,074.24

Finding the Fourth Proportional to 53,735.28, 74,155.08 and 31,074.24

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Solution

The fourth proportional to 53,735.28, 74,155.08 and 31,074.24 is: 42,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735.28 : 74,155.08 = 31,074.24 : x
  2. Step 2: Convert to fraction form
    53,735.28/74,155.08 = 31,074.24/x
  3. Step 3: Cross multiply
    53,735.28x = 74,155.08 × 31,074.24
  4. Step 4: Simplify right side
    53,735.28x = 2,304,312,753.14
  5. Step 5: Solve for x
    x = 2,304,312,753.14/53,735.28
  6. Step 6: Final answer
    x = 42,882.68

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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.