Home / 30,456.81-42,030.95-17,026.63

Finding the Fourth Proportional to 30,456.81, 42,030.95 and 17,026.63

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Solution

The fourth proportional to 30,456.81, 42,030.95 and 17,026.63 is: 23,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456.81 : 42,030.95 = 17,026.63 : x
  2. Step 2: Convert to fraction form
    30,456.81/42,030.95 = 17,026.63/x
  3. Step 3: Cross multiply
    30,456.81x = 42,030.95 × 17,026.63
  4. Step 4: Simplify right side
    30,456.81x = 715,645,457.97
  5. Step 5: Solve for x
    x = 715,645,457.97/30,456.81
  6. Step 6: Final answer
    x = 23,497.06

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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.