Home / 53,412.75-73,708.95-29,538.90

Finding the Fourth Proportional to 53,412.75, 73,708.95 and 29,538.90

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Solution

The fourth proportional to 53,412.75, 73,708.95 and 29,538.90 is: 40,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.75 : 73,708.95 = 29,538.90 : x
  2. Step 2: Convert to fraction form
    53,412.75/73,708.95 = 29,538.90/x
  3. Step 3: Cross multiply
    53,412.75x = 73,708.95 × 29,538.90
  4. Step 4: Simplify right side
    53,412.75x = 2,177,281,303.16
  5. Step 5: Solve for x
    x = 2,177,281,303.16/53,412.75
  6. Step 6: Final answer
    x = 40,763.33

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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.