Home / 58,440.08-87,671.64-18,994.64

Finding the Fourth Proportional to 58,440.08, 87,671.64 and 18,994.64

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Solution

The fourth proportional to 58,440.08, 87,671.64 and 18,994.64 is: 28,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,440.08 : 87,671.64 = 18,994.64 : x
  2. Step 2: Convert to fraction form
    58,440.08/87,671.64 = 18,994.64/x
  3. Step 3: Cross multiply
    58,440.08x = 87,671.64 × 18,994.64
  4. Step 4: Simplify right side
    58,440.08x = 1,665,291,240.01
  5. Step 5: Solve for x
    x = 1,665,291,240.01/58,440.08
  6. Step 6: Final answer
    x = 28,495.70

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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.