Home / 42,230.84-63,355.28-15,576.92

Finding the Fourth Proportional to 42,230.84, 63,355.28 and 15,576.92

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Solution

The fourth proportional to 42,230.84, 63,355.28 and 15,576.92 is: 23,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.84 : 63,355.28 = 15,576.92 : x
  2. Step 2: Convert to fraction form
    42,230.84/63,355.28 = 15,576.92/x
  3. Step 3: Cross multiply
    42,230.84x = 63,355.28 × 15,576.92
  4. Step 4: Simplify right side
    42,230.84x = 986,880,128.14
  5. Step 5: Solve for x
    x = 986,880,128.14/42,230.84
  6. Step 6: Final answer
    x = 23,368.71

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1.5x scale

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.