Home / 31,357.92-43,271.67-17,929.74

Finding the Fourth Proportional to 31,357.92, 43,271.67 and 17,929.74

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Solution

The fourth proportional to 31,357.92, 43,271.67 and 17,929.74 is: 24,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.92 : 43,271.67 = 17,929.74 : x
  2. Step 2: Convert to fraction form
    31,357.92/43,271.67 = 17,929.74/x
  3. Step 3: Cross multiply
    31,357.92x = 43,271.67 × 17,929.74
  4. Step 4: Simplify right side
    31,357.92x = 775,849,792.47
  5. Step 5: Solve for x
    x = 775,849,792.47/31,357.92
  6. Step 6: Final answer
    x = 24,741.75

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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.