Home / 52,037.28-71,830.08-30,816.72

Finding the Fourth Proportional to 52,037.28, 71,830.08 and 30,816.72

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Solution

The fourth proportional to 52,037.28, 71,830.08 and 30,816.72 is: 42,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,037.28 : 71,830.08 = 30,816.72 : x
  2. Step 2: Convert to fraction form
    52,037.28/71,830.08 = 30,816.72/x
  3. Step 3: Cross multiply
    52,037.28x = 71,830.08 × 30,816.72
  4. Step 4: Simplify right side
    52,037.28x = 2,213,567,462.94
  5. Step 5: Solve for x
    x = 2,213,567,462.94/52,037.28
  6. Step 6: Final answer
    x = 42,538.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.