Home / 42,803.12-64,207.32-16,507.52

Finding the Fourth Proportional to 42,803.12, 64,207.32 and 16,507.52

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Solution

The fourth proportional to 42,803.12, 64,207.32 and 16,507.52 is: 24,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.12 : 64,207.32 = 16,507.52 : x
  2. Step 2: Convert to fraction form
    42,803.12/64,207.32 = 16,507.52/x
  3. Step 3: Cross multiply
    42,803.12x = 64,207.32 × 16,507.52
  4. Step 4: Simplify right side
    42,803.12x = 1,059,903,619.05
  5. Step 5: Solve for x
    x = 1,059,903,619.05/42,803.12
  6. Step 6: Final answer
    x = 24,762.30

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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.