Home / 39,915.32-59,896.15-14,972.72

Finding the Fourth Proportional to 39,915.32, 59,896.15 and 14,972.72

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Solution

The fourth proportional to 39,915.32, 59,896.15 and 14,972.72 is: 22,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.32 : 59,896.15 = 14,972.72 : x
  2. Step 2: Convert to fraction form
    39,915.32/59,896.15 = 14,972.72/x
  3. Step 3: Cross multiply
    39,915.32x = 59,896.15 × 14,972.72
  4. Step 4: Simplify right side
    39,915.32x = 896,807,946.12
  5. Step 5: Solve for x
    x = 896,807,946.12/39,915.32
  6. Step 6: Final answer
    x = 22,467.77

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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.