Home / 42,808.88-64,220.46-14,727.80

Finding the Fourth Proportional to 42,808.88, 64,220.46 and 14,727.80

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Solution

The fourth proportional to 42,808.88, 64,220.46 and 14,727.80 is: 22,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,808.88 : 64,220.46 = 14,727.80 : x
  2. Step 2: Convert to fraction form
    42,808.88/64,220.46 = 14,727.80/x
  3. Step 3: Cross multiply
    42,808.88x = 64,220.46 × 14,727.80
  4. Step 4: Simplify right side
    42,808.88x = 945,826,090.79
  5. Step 5: Solve for x
    x = 945,826,090.79/42,808.88
  6. Step 6: Final answer
    x = 22,094.16

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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.