Home / 42,504.40-63,756.60-11,342.80

Finding the Fourth Proportional to 42,504.40, 63,756.60 and 11,342.80

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Solution

The fourth proportional to 42,504.40, 63,756.60 and 11,342.80 is: 17,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,504.40 : 63,756.60 = 11,342.80 : x
  2. Step 2: Convert to fraction form
    42,504.40/63,756.60 = 11,342.80/x
  3. Step 3: Cross multiply
    42,504.40x = 63,756.60 × 11,342.80
  4. Step 4: Simplify right side
    42,504.40x = 723,178,362.48
  5. Step 5: Solve for x
    x = 723,178,362.48/42,504.40
  6. Step 6: Final answer
    x = 17,014.20

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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.