Home / 58,298.78-87,475.86-30,213.62

Finding the Fourth Proportional to 58,298.78, 87,475.86 and 30,213.62

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Solution

The fourth proportional to 58,298.78, 87,475.86 and 30,213.62 is: 45,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,298.78 : 87,475.86 = 30,213.62 : x
  2. Step 2: Convert to fraction form
    58,298.78/87,475.86 = 30,213.62/x
  3. Step 3: Cross multiply
    58,298.78x = 87,475.86 × 30,213.62
  4. Step 4: Simplify right side
    58,298.78x = 2,642,962,393.21
  5. Step 5: Solve for x
    x = 2,642,962,393.21/58,298.78
  6. Step 6: Final answer
    x = 45,334.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.