Home / 45,503.28-68,261.76-14,338.08

Finding the Fourth Proportional to 45,503.28, 68,261.76 and 14,338.08

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Solution

The fourth proportional to 45,503.28, 68,261.76 and 14,338.08 is: 21,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,503.28 : 68,261.76 = 14,338.08 : x
  2. Step 2: Convert to fraction form
    45,503.28/68,261.76 = 14,338.08/x
  3. Step 3: Cross multiply
    45,503.28x = 68,261.76 × 14,338.08
  4. Step 4: Simplify right side
    45,503.28x = 978,742,575.82
  5. Step 5: Solve for x
    x = 978,742,575.82/45,503.28
  6. Step 6: Final answer
    x = 21,509.28

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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.