Home / 51,539.32-77,328.42-18,258.04

Finding the Fourth Proportional to 51,539.32, 77,328.42 and 18,258.04

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Solution

The fourth proportional to 51,539.32, 77,328.42 and 18,258.04 is: 27,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.32 : 77,328.42 = 18,258.04 : x
  2. Step 2: Convert to fraction form
    51,539.32/77,328.42 = 18,258.04/x
  3. Step 3: Cross multiply
    51,539.32x = 77,328.42 × 18,258.04
  4. Step 4: Simplify right side
    51,539.32x = 1,411,865,385.50
  5. Step 5: Solve for x
    x = 1,411,865,385.50/51,539.32
  6. Step 6: Final answer
    x = 27,393.95

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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.