Home / 53,541.56-73,885.36-30,881.48

Finding the Fourth Proportional to 53,541.56, 73,885.36 and 30,881.48

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Solution

The fourth proportional to 53,541.56, 73,885.36 and 30,881.48 is: 42,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,541.56 : 73,885.36 = 30,881.48 : x
  2. Step 2: Convert to fraction form
    53,541.56/73,885.36 = 30,881.48/x
  3. Step 3: Cross multiply
    53,541.56x = 73,885.36 × 30,881.48
  4. Step 4: Simplify right side
    53,541.56x = 2,281,689,267.13
  5. Step 5: Solve for x
    x = 2,281,689,267.13/53,541.56
  6. Step 6: Final answer
    x = 42,615.29

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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.