Home / 42,683.12-64,019.88-16,369.40

Finding the Fourth Proportional to 42,683.12, 64,019.88 and 16,369.40

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Solution

The fourth proportional to 42,683.12, 64,019.88 and 16,369.40 is: 24,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683.12 : 64,019.88 = 16,369.40 : x
  2. Step 2: Convert to fraction form
    42,683.12/64,019.88 = 16,369.40/x
  3. Step 3: Cross multiply
    42,683.12x = 64,019.88 × 16,369.40
  4. Step 4: Simplify right side
    42,683.12x = 1,047,966,703.57
  5. Step 5: Solve for x
    x = 1,047,966,703.57/42,683.12
  6. Step 6: Final answer
    x = 24,552.25

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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.