Home / 58,445.16-87,612.24-18,974.64

Finding the Fourth Proportional to 58,445.16, 87,612.24 and 18,974.64

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Solution

The fourth proportional to 58,445.16, 87,612.24 and 18,974.64 is: 28,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.16 : 87,612.24 = 18,974.64 : x
  2. Step 2: Convert to fraction form
    58,445.16/87,612.24 = 18,974.64/x
  3. Step 3: Cross multiply
    58,445.16x = 87,612.24 × 18,974.64
  4. Step 4: Simplify right side
    58,445.16x = 1,662,410,713.59
  5. Step 5: Solve for x
    x = 1,662,410,713.59/58,445.16
  6. Step 6: Final answer
    x = 28,443.94

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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.