Home / 42,059.44-63,088.92-13,981.60

Finding the Fourth Proportional to 42,059.44, 63,088.92 and 13,981.60

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Solution

The fourth proportional to 42,059.44, 63,088.92 and 13,981.60 is: 20,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,059.44 : 63,088.92 = 13,981.60 : x
  2. Step 2: Convert to fraction form
    42,059.44/63,088.92 = 13,981.60/x
  3. Step 3: Cross multiply
    42,059.44x = 63,088.92 × 13,981.60
  4. Step 4: Simplify right side
    42,059.44x = 882,084,043.87
  5. Step 5: Solve for x
    x = 882,084,043.87/42,059.44
  6. Step 6: Final answer
    x = 20,972.32

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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.