Home / 33,870.65-46,743.95-20,445.17

Finding the Fourth Proportional to 33,870.65, 46,743.95 and 20,445.17

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Solution

The fourth proportional to 33,870.65, 46,743.95 and 20,445.17 is: 28,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.65 : 46,743.95 = 20,445.17 : x
  2. Step 2: Convert to fraction form
    33,870.65/46,743.95 = 20,445.17/x
  3. Step 3: Cross multiply
    33,870.65x = 46,743.95 × 20,445.17
  4. Step 4: Simplify right side
    33,870.65x = 955,687,821.61
  5. Step 5: Solve for x
    x = 955,687,821.61/33,870.65
  6. Step 6: Final answer
    x = 28,215.81

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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.