Home / 53,343.36-73,609.56-30,681.18

Finding the Fourth Proportional to 53,343.36, 73,609.56 and 30,681.18

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Solution

The fourth proportional to 53,343.36, 73,609.56 and 30,681.18 is: 42,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,343.36 : 73,609.56 = 30,681.18 : x
  2. Step 2: Convert to fraction form
    53,343.36/73,609.56 = 30,681.18/x
  3. Step 3: Cross multiply
    53,343.36x = 73,609.56 × 30,681.18
  4. Step 4: Simplify right side
    53,343.36x = 2,258,428,160.08
  5. Step 5: Solve for x
    x = 2,258,428,160.08/53,343.36
  6. Step 6: Final answer
    x = 42,337.57

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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.