Home / 34,742.30-47,925.88-21,134.50

Finding the Fourth Proportional to 34,742.30, 47,925.88 and 21,134.50

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Solution

The fourth proportional to 34,742.30, 47,925.88 and 21,134.50 is: 29,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.30 : 47,925.88 = 21,134.50 : x
  2. Step 2: Convert to fraction form
    34,742.30/47,925.88 = 21,134.50/x
  3. Step 3: Cross multiply
    34,742.30x = 47,925.88 × 21,134.50
  4. Step 4: Simplify right side
    34,742.30x = 1,012,889,510.86
  5. Step 5: Solve for x
    x = 1,012,889,510.86/34,742.30
  6. Step 6: Final answer
    x = 29,154.36

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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.