Home / 34,592.09-47,740.68-21,172.28

Finding the Fourth Proportional to 34,592.09, 47,740.68 and 21,172.28

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Solution

The fourth proportional to 34,592.09, 47,740.68 and 21,172.28 is: 29,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,592.09 : 47,740.68 = 21,172.28 : x
  2. Step 2: Convert to fraction form
    34,592.09/47,740.68 = 21,172.28/x
  3. Step 3: Cross multiply
    34,592.09x = 47,740.68 × 21,172.28
  4. Step 4: Simplify right side
    34,592.09x = 1,010,779,044.35
  5. Step 5: Solve for x
    x = 1,010,779,044.35/34,592.09
  6. Step 6: Final answer
    x = 29,219.95

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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.