Home / 45,419.81-68,143.59-23,248.90

Finding the Fourth Proportional to 45,419.81, 68,143.59 and 23,248.90

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Solution

The fourth proportional to 45,419.81, 68,143.59 and 23,248.90 is: 34,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.81 : 68,143.59 = 23,248.90 : x
  2. Step 2: Convert to fraction form
    45,419.81/68,143.59 = 23,248.90/x
  3. Step 3: Cross multiply
    45,419.81x = 68,143.59 × 23,248.90
  4. Step 4: Simplify right side
    45,419.81x = 1,584,263,509.55
  5. Step 5: Solve for x
    x = 1,584,263,509.55/45,419.81
  6. Step 6: Final answer
    x = 34,880.45

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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.