Home / 30,703.84-42,368.29-17,274.80

Finding the Fourth Proportional to 30,703.84, 42,368.29 and 17,274.80

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Solution

The fourth proportional to 30,703.84, 42,368.29 and 17,274.80 is: 23,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.84 : 42,368.29 = 17,274.80 : x
  2. Step 2: Convert to fraction form
    30,703.84/42,368.29 = 17,274.80/x
  3. Step 3: Cross multiply
    30,703.84x = 42,368.29 × 17,274.80
  4. Step 4: Simplify right side
    30,703.84x = 731,903,798.83
  5. Step 5: Solve for x
    x = 731,903,798.83/30,703.84
  6. Step 6: Final answer
    x = 23,837.53

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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.