Home / 53,207.47-73,405.65-30,538.27

Finding the Fourth Proportional to 53,207.47, 73,405.65 and 30,538.27

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Solution

The fourth proportional to 53,207.47, 73,405.65 and 30,538.27 is: 42,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,207.47 : 73,405.65 = 30,538.27 : x
  2. Step 2: Convert to fraction form
    53,207.47/73,405.65 = 30,538.27/x
  3. Step 3: Cross multiply
    53,207.47x = 73,405.65 × 30,538.27
  4. Step 4: Simplify right side
    53,207.47x = 2,241,681,559.23
  5. Step 5: Solve for x
    x = 2,241,681,559.23/53,207.47
  6. Step 6: Final answer
    x = 42,130.96

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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.