Home / 42,671.18-64,007.16-16,369.70

Finding the Fourth Proportional to 42,671.18, 64,007.16 and 16,369.70

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Solution

The fourth proportional to 42,671.18, 64,007.16 and 16,369.70 is: 24,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,671.18 : 64,007.16 = 16,369.70 : x
  2. Step 2: Convert to fraction form
    42,671.18/64,007.16 = 16,369.70/x
  3. Step 3: Cross multiply
    42,671.18x = 64,007.16 × 16,369.70
  4. Step 4: Simplify right side
    42,671.18x = 1,047,778,007.05
  5. Step 5: Solve for x
    x = 1,047,778,007.05/42,671.18
  6. Step 6: Final answer
    x = 24,554.70

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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.