Home / 34,730.42-47,928-18,814.93

Finding the Fourth Proportional to 34,730.42, 47,928 and 18,814.93

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Solution

The fourth proportional to 34,730.42, 47,928 and 18,814.93 is: 25,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,730.42 : 47,928 = 18,814.93 : x
  2. Step 2: Convert to fraction form
    34,730.42/47,928 = 18,814.93/x
  3. Step 3: Cross multiply
    34,730.42x = 47,928 × 18,814.93
  4. Step 4: Simplify right side
    34,730.42x = 901,761,965.04
  5. Step 5: Solve for x
    x = 901,761,965.04/34,730.42
  6. Step 6: Final answer
    x = 25,964.61

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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.