Home / 20,535.59-30,803.33-4,953.21

Finding the Fourth Proportional to 20,535.59, 30,803.33 and 4,953.21

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Solution

The fourth proportional to 20,535.59, 30,803.33 and 4,953.21 is: 7,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.59 : 30,803.33 = 4,953.21 : x
  2. Step 2: Convert to fraction form
    20,535.59/30,803.33 = 4,953.21/x
  3. Step 3: Cross multiply
    20,535.59x = 30,803.33 × 4,953.21
  4. Step 4: Simplify right side
    20,535.59x = 152,575,362.19
  5. Step 5: Solve for x
    x = 152,575,362.19/20,535.59
  6. Step 6: Final answer
    x = 7,429.80

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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.