Home / 58,104.40-87,214.20-28,555.60

Finding the Fourth Proportional to 58,104.40, 87,214.20 and 28,555.60

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Solution

The fourth proportional to 58,104.40, 87,214.20 and 28,555.60 is: 42,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,104.40 : 87,214.20 = 28,555.60 : x
  2. Step 2: Convert to fraction form
    58,104.40/87,214.20 = 28,555.60/x
  3. Step 3: Cross multiply
    58,104.40x = 87,214.20 × 28,555.60
  4. Step 4: Simplify right side
    58,104.40x = 2,490,453,809.52
  5. Step 5: Solve for x
    x = 2,490,453,809.52/58,104.40
  6. Step 6: Final answer
    x = 42,861.71

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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.