Home / 39,942.88-59,915.76-14,980.40

Finding the Fourth Proportional to 39,942.88, 59,915.76 and 14,980.40

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Solution

The fourth proportional to 39,942.88, 59,915.76 and 14,980.40 is: 22,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.88 : 59,915.76 = 14,980.40 : x
  2. Step 2: Convert to fraction form
    39,942.88/59,915.76 = 14,980.40/x
  3. Step 3: Cross multiply
    39,942.88x = 59,915.76 × 14,980.40
  4. Step 4: Simplify right side
    39,942.88x = 897,562,051.10
  5. Step 5: Solve for x
    x = 897,562,051.10/39,942.88
  6. Step 6: Final answer
    x = 22,471.14

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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.