Home / 42,095.94-63,143.75-10,931.19

Finding the Fourth Proportional to 42,095.94, 63,143.75 and 10,931.19

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Solution

The fourth proportional to 42,095.94, 63,143.75 and 10,931.19 is: 16,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,095.94 : 63,143.75 = 10,931.19 : x
  2. Step 2: Convert to fraction form
    42,095.94/63,143.75 = 10,931.19/x
  3. Step 3: Cross multiply
    42,095.94x = 63,143.75 × 10,931.19
  4. Step 4: Simplify right side
    42,095.94x = 690,236,119.10
  5. Step 5: Solve for x
    x = 690,236,119.10/42,095.94
  6. Step 6: Final answer
    x = 16,396.74

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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.