Home / 30,955.84-42,721.71-17,529.46

Finding the Fourth Proportional to 30,955.84, 42,721.71 and 17,529.46

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Solution

The fourth proportional to 30,955.84, 42,721.71 and 17,529.46 is: 24,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.84 : 42,721.71 = 17,529.46 : x
  2. Step 2: Convert to fraction form
    30,955.84/42,721.71 = 17,529.46/x
  3. Step 3: Cross multiply
    30,955.84x = 42,721.71 × 17,529.46
  4. Step 4: Simplify right side
    30,955.84x = 748,888,506.58
  5. Step 5: Solve for x
    x = 748,888,506.58/30,955.84
  6. Step 6: Final answer
    x = 24,192.16

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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.