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Finding the Fourth Proportional to 58,020.64, 87,012.64 and 35,800.80

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Solution

The fourth proportional to 58,020.64, 87,012.64 and 35,800.80 is: 53,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,020.64 : 87,012.64 = 35,800.80 : x
  2. Step 2: Convert to fraction form
    58,020.64/87,012.64 = 35,800.80/x
  3. Step 3: Cross multiply
    58,020.64x = 87,012.64 × 35,800.80
  4. Step 4: Simplify right side
    58,020.64x = 3,115,122,122.11
  5. Step 5: Solve for x
    x = 3,115,122,122.11/58,020.64
  6. Step 6: Final answer
    x = 53,689.90

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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.