Home / 34,695.16-47,876.52-21,264.55

Finding the Fourth Proportional to 34,695.16, 47,876.52 and 21,264.55

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Solution

The fourth proportional to 34,695.16, 47,876.52 and 21,264.55 is: 29,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.16 : 47,876.52 = 21,264.55 : x
  2. Step 2: Convert to fraction form
    34,695.16/47,876.52 = 21,264.55/x
  3. Step 3: Cross multiply
    34,695.16x = 47,876.52 × 21,264.55
  4. Step 4: Simplify right side
    34,695.16x = 1,018,072,653.37
  5. Step 5: Solve for x
    x = 1,018,072,653.37/34,695.16
  6. Step 6: Final answer
    x = 29,343.36

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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.