Home / 34,746.63-47,952.74-21,139.98

Finding the Fourth Proportional to 34,746.63, 47,952.74 and 21,139.98

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Solution

The fourth proportional to 34,746.63, 47,952.74 and 21,139.98 is: 29,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.63 : 47,952.74 = 21,139.98 : x
  2. Step 2: Convert to fraction form
    34,746.63/47,952.74 = 21,139.98/x
  3. Step 3: Cross multiply
    34,746.63x = 47,952.74 × 21,139.98
  4. Step 4: Simplify right side
    34,746.63x = 1,013,719,964.55
  5. Step 5: Solve for x
    x = 1,013,719,964.55/34,746.63
  6. Step 6: Final answer
    x = 29,174.63

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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.