Home / 30,476.71-42,055.88-17,045.64

Finding the Fourth Proportional to 30,476.71, 42,055.88 and 17,045.64

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Solution

The fourth proportional to 30,476.71, 42,055.88 and 17,045.64 is: 23,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.71 : 42,055.88 = 17,045.64 : x
  2. Step 2: Convert to fraction form
    30,476.71/42,055.88 = 17,045.64/x
  3. Step 3: Cross multiply
    30,476.71x = 42,055.88 × 17,045.64
  4. Step 4: Simplify right side
    30,476.71x = 716,869,390.36
  5. Step 5: Solve for x
    x = 716,869,390.36/30,476.71
  6. Step 6: Final answer
    x = 23,521.88

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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.