Home / 53,391.08-73,679.28-29,518.76

Finding the Fourth Proportional to 53,391.08, 73,679.28 and 29,518.76

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Solution

The fourth proportional to 53,391.08, 73,679.28 and 29,518.76 is: 40,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.08 : 73,679.28 = 29,518.76 : x
  2. Step 2: Convert to fraction form
    53,391.08/73,679.28 = 29,518.76/x
  3. Step 3: Cross multiply
    53,391.08x = 73,679.28 × 29,518.76
  4. Step 4: Simplify right side
    53,391.08x = 2,174,920,983.29
  5. Step 5: Solve for x
    x = 2,174,920,983.29/53,391.08
  6. Step 6: Final answer
    x = 40,735.66

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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.