Home / 42,890.49-64,319.94-14,803.38

Finding the Fourth Proportional to 42,890.49, 64,319.94 and 14,803.38

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Solution

The fourth proportional to 42,890.49, 64,319.94 and 14,803.38 is: 22,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,890.49 : 64,319.94 = 14,803.38 : x
  2. Step 2: Convert to fraction form
    42,890.49/64,319.94 = 14,803.38/x
  3. Step 3: Cross multiply
    42,890.49x = 64,319.94 × 14,803.38
  4. Step 4: Simplify right side
    42,890.49x = 952,152,513.40
  5. Step 5: Solve for x
    x = 952,152,513.40/42,890.49
  6. Step 6: Final answer
    x = 22,199.62

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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.