Home / 52,298.57-78,423.35-18,995.42

Finding the Fourth Proportional to 52,298.57, 78,423.35 and 18,995.42

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Solution

The fourth proportional to 52,298.57, 78,423.35 and 18,995.42 is: 28,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,298.57 : 78,423.35 = 18,995.42 : x
  2. Step 2: Convert to fraction form
    52,298.57/78,423.35 = 18,995.42/x
  3. Step 3: Cross multiply
    52,298.57x = 78,423.35 × 18,995.42
  4. Step 4: Simplify right side
    52,298.57x = 1,489,683,983.96
  5. Step 5: Solve for x
    x = 1,489,683,983.96/52,298.57
  6. Step 6: Final answer
    x = 28,484.22

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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.