Home / 34,686.72-47,848.19-21,935.97

Finding the Fourth Proportional to 34,686.72, 47,848.19 and 21,935.97

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Solution

The fourth proportional to 34,686.72, 47,848.19 and 21,935.97 is: 30,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.72 : 47,848.19 = 21,935.97 : x
  2. Step 2: Convert to fraction form
    34,686.72/47,848.19 = 21,935.97/x
  3. Step 3: Cross multiply
    34,686.72x = 47,848.19 × 21,935.97
  4. Step 4: Simplify right side
    34,686.72x = 1,049,596,350.71
  5. Step 5: Solve for x
    x = 1,049,596,350.71/34,686.72
  6. Step 6: Final answer
    x = 30,259.31

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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.