Home / 30,970.73-42,738.63-17,543.23

Finding the Fourth Proportional to 30,970.73, 42,738.63 and 17,543.23

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Solution

The fourth proportional to 30,970.73, 42,738.63 and 17,543.23 is: 24,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.73 : 42,738.63 = 17,543.23 : x
  2. Step 2: Convert to fraction form
    30,970.73/42,738.63 = 17,543.23/x
  3. Step 3: Cross multiply
    30,970.73x = 42,738.63 × 17,543.23
  4. Step 4: Simplify right side
    30,970.73x = 749,773,615.97
  5. Step 5: Solve for x
    x = 749,773,615.97/30,970.73
  6. Step 6: Final answer
    x = 24,209.10

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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.