Home / 30,637.12-42,276.24-17,205.32

Finding the Fourth Proportional to 30,637.12, 42,276.24 and 17,205.32

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Solution

The fourth proportional to 30,637.12, 42,276.24 and 17,205.32 is: 23,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.12 : 42,276.24 = 17,205.32 : x
  2. Step 2: Convert to fraction form
    30,637.12/42,276.24 = 17,205.32/x
  3. Step 3: Cross multiply
    30,637.12x = 42,276.24 × 17,205.32
  4. Step 4: Simplify right side
    30,637.12x = 727,376,237.60
  5. Step 5: Solve for x
    x = 727,376,237.60/30,637.12
  6. Step 6: Final answer
    x = 23,741.66

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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.