Home / 42,678.24-64,017.60-16,376.64

Finding the Fourth Proportional to 42,678.24, 64,017.60 and 16,376.64

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Solution

The fourth proportional to 42,678.24, 64,017.60 and 16,376.64 is: 24,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678.24 : 64,017.60 = 16,376.64 : x
  2. Step 2: Convert to fraction form
    42,678.24/64,017.60 = 16,376.64/x
  3. Step 3: Cross multiply
    42,678.24x = 64,017.60 × 16,376.64
  4. Step 4: Simplify right side
    42,678.24x = 1,048,393,188.86
  5. Step 5: Solve for x
    x = 1,048,393,188.86/42,678.24
  6. Step 6: Final answer
    x = 24,565.05

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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.