Home / 42,384.85-63,586.96-18,373.16

Finding the Fourth Proportional to 42,384.85, 63,586.96 and 18,373.16

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Solution

The fourth proportional to 42,384.85, 63,586.96 and 18,373.16 is: 27,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384.85 : 63,586.96 = 18,373.16 : x
  2. Step 2: Convert to fraction form
    42,384.85/63,586.96 = 18,373.16/x
  3. Step 3: Cross multiply
    42,384.85x = 63,586.96 × 18,373.16
  4. Step 4: Simplify right side
    42,384.85x = 1,168,293,503.03
  5. Step 5: Solve for x
    x = 1,168,293,503.03/42,384.85
  6. Step 6: Final answer
    x = 27,563.94

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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.