Home / 34,656.64-47,683.20-30,607.36

Finding the Fourth Proportional to 34,656.64, 47,683.20 and 30,607.36

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Solution

The fourth proportional to 34,656.64, 47,683.20 and 30,607.36 is: 42,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,656.64 : 47,683.20 = 30,607.36 : x
  2. Step 2: Convert to fraction form
    34,656.64/47,683.20 = 30,607.36/x
  3. Step 3: Cross multiply
    34,656.64x = 47,683.20 × 30,607.36
  4. Step 4: Simplify right side
    34,656.64x = 1,459,456,868.35
  5. Step 5: Solve for x
    x = 1,459,456,868.35/34,656.64
  6. Step 6: Final answer
    x = 42,111.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.