Home / 34,021.08-46,972-30,424.88

Finding the Fourth Proportional to 34,021.08, 46,972 and 30,424.88

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Solution

The fourth proportional to 34,021.08, 46,972 and 30,424.88 is: 42,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.08 : 46,972 = 30,424.88 : x
  2. Step 2: Convert to fraction form
    34,021.08/46,972 = 30,424.88/x
  3. Step 3: Cross multiply
    34,021.08x = 46,972 × 30,424.88
  4. Step 4: Simplify right side
    34,021.08x = 1,429,117,463.36
  5. Step 5: Solve for x
    x = 1,429,117,463.36/34,021.08
  6. Step 6: Final answer
    x = 42,006.82

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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.