Home / 58,327.20-87,482.16-18,887.76

Finding the Fourth Proportional to 58,327.20, 87,482.16 and 18,887.76

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Solution

The fourth proportional to 58,327.20, 87,482.16 and 18,887.76 is: 28,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,327.20 : 87,482.16 = 18,887.76 : x
  2. Step 2: Convert to fraction form
    58,327.20/87,482.16 = 18,887.76/x
  3. Step 3: Cross multiply
    58,327.20x = 87,482.16 × 18,887.76
  4. Step 4: Simplify right side
    58,327.20x = 1,652,342,042.36
  5. Step 5: Solve for x
    x = 1,652,342,042.36/58,327.20
  6. Step 6: Final answer
    x = 28,328.84

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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.