Home / 34,186.77-47,164.59-21,417.73

Finding the Fourth Proportional to 34,186.77, 47,164.59 and 21,417.73

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Solution

The fourth proportional to 34,186.77, 47,164.59 and 21,417.73 is: 29,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.77 : 47,164.59 = 21,417.73 : x
  2. Step 2: Convert to fraction form
    34,186.77/47,164.59 = 21,417.73/x
  3. Step 3: Cross multiply
    34,186.77x = 47,164.59 × 21,417.73
  4. Step 4: Simplify right side
    34,186.77x = 1,010,158,454.18
  5. Step 5: Solve for x
    x = 1,010,158,454.18/34,186.77
  6. Step 6: Final answer
    x = 29,548.23

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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.