Home / 30,650.60-45,985.80-15,057.29

Finding the Fourth Proportional to 30,650.60, 45,985.80 and 15,057.29

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Solution

The fourth proportional to 30,650.60, 45,985.80 and 15,057.29 is: 22,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650.60 : 45,985.80 = 15,057.29 : x
  2. Step 2: Convert to fraction form
    30,650.60/45,985.80 = 15,057.29/x
  3. Step 3: Cross multiply
    30,650.60x = 45,985.80 × 15,057.29
  4. Step 4: Simplify right side
    30,650.60x = 692,421,526.48
  5. Step 5: Solve for x
    x = 692,421,526.48/30,650.60
  6. Step 6: Final answer
    x = 22,590.80

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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.