Home / 34,455.89-47,554.32-21,034.95

Finding the Fourth Proportional to 34,455.89, 47,554.32 and 21,034.95

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Solution

The fourth proportional to 34,455.89, 47,554.32 and 21,034.95 is: 29,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455.89 : 47,554.32 = 21,034.95 : x
  2. Step 2: Convert to fraction form
    34,455.89/47,554.32 = 21,034.95/x
  3. Step 3: Cross multiply
    34,455.89x = 47,554.32 × 21,034.95
  4. Step 4: Simplify right side
    34,455.89x = 1,000,302,743.48
  5. Step 5: Solve for x
    x = 1,000,302,743.48/34,455.89
  6. Step 6: Final answer
    x = 29,031.40

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1.5x scale

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.