Home / 55,461.20-76,538.33-30,312.32

Finding the Fourth Proportional to 55,461.20, 76,538.33 and 30,312.32

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Solution

The fourth proportional to 55,461.20, 76,538.33 and 30,312.32 is: 41,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.20 : 76,538.33 = 30,312.32 : x
  2. Step 2: Convert to fraction form
    55,461.20/76,538.33 = 30,312.32/x
  3. Step 3: Cross multiply
    55,461.20x = 76,538.33 × 30,312.32
  4. Step 4: Simplify right side
    55,461.20x = 2,320,053,816.97
  5. Step 5: Solve for x
    x = 2,320,053,816.97/55,461.20
  6. Step 6: Final answer
    x = 41,832.02

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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.