Home / 59,899.80-89,840.18-19,915.46

Finding the Fourth Proportional to 59,899.80, 89,840.18 and 19,915.46

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Solution

The fourth proportional to 59,899.80, 89,840.18 and 19,915.46 is: 29,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899.80 : 89,840.18 = 19,915.46 : x
  2. Step 2: Convert to fraction form
    59,899.80/89,840.18 = 19,915.46/x
  3. Step 3: Cross multiply
    59,899.80x = 89,840.18 × 19,915.46
  4. Step 4: Simplify right side
    59,899.80x = 1,789,208,511.18
  5. Step 5: Solve for x
    x = 1,789,208,511.18/59,899.80
  6. Step 6: Final answer
    x = 29,870.02

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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.