Home / 39,388.04-59,090.85-14,427.56

Finding the Fourth Proportional to 39,388.04, 59,090.85 and 14,427.56

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Solution

The fourth proportional to 39,388.04, 59,090.85 and 14,427.56 is: 21,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388.04 : 59,090.85 = 14,427.56 : x
  2. Step 2: Convert to fraction form
    39,388.04/59,090.85 = 14,427.56/x
  3. Step 3: Cross multiply
    39,388.04x = 59,090.85 × 14,427.56
  4. Step 4: Simplify right side
    39,388.04x = 852,536,783.83
  5. Step 5: Solve for x
    x = 852,536,783.83/39,388.04
  6. Step 6: Final answer
    x = 21,644.56

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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.