Home / 20,017.59-30,005.51-7,529.01

Finding the Fourth Proportional to 20,017.59, 30,005.51 and 7,529.01

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Solution

The fourth proportional to 20,017.59, 30,005.51 and 7,529.01 is: 11,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.59 : 30,005.51 = 7,529.01 : x
  2. Step 2: Convert to fraction form
    20,017.59/30,005.51 = 7,529.01/x
  3. Step 3: Cross multiply
    20,017.59x = 30,005.51 × 7,529.01
  4. Step 4: Simplify right side
    20,017.59x = 225,911,784.85
  5. Step 5: Solve for x
    x = 225,911,784.85/20,017.59
  6. Step 6: Final answer
    x = 11,285.66

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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.