Home / 58,000.57-87,008.21-20,553.32

Finding the Fourth Proportional to 58,000.57, 87,008.21 and 20,553.32

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Solution

The fourth proportional to 58,000.57, 87,008.21 and 20,553.32 is: 30,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.57 : 87,008.21 = 20,553.32 : x
  2. Step 2: Convert to fraction form
    58,000.57/87,008.21 = 20,553.32/x
  3. Step 3: Cross multiply
    58,000.57x = 87,008.21 × 20,553.32
  4. Step 4: Simplify right side
    58,000.57x = 1,788,307,479.99
  5. Step 5: Solve for x
    x = 1,788,307,479.99/58,000.57
  6. Step 6: Final answer
    x = 30,832.59

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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.