Home / 30,486.02-42,068.31-17,056.22

Finding the Fourth Proportional to 30,486.02, 42,068.31 and 17,056.22

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Solution

The fourth proportional to 30,486.02, 42,068.31 and 17,056.22 is: 23,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.02 : 42,068.31 = 17,056.22 : x
  2. Step 2: Convert to fraction form
    30,486.02/42,068.31 = 17,056.22/x
  3. Step 3: Cross multiply
    30,486.02x = 42,068.31 × 17,056.22
  4. Step 4: Simplify right side
    30,486.02x = 717,526,350.39
  5. Step 5: Solve for x
    x = 717,526,350.39/30,486.02
  6. Step 6: Final answer
    x = 23,536.24

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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.