Home / 30,955.83-42,720.48-17,525.31

Finding the Fourth Proportional to 30,955.83, 42,720.48 and 17,525.31

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Solution

The fourth proportional to 30,955.83, 42,720.48 and 17,525.31 is: 24,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.83 : 42,720.48 = 17,525.31 : x
  2. Step 2: Convert to fraction form
    30,955.83/42,720.48 = 17,525.31/x
  3. Step 3: Cross multiply
    30,955.83x = 42,720.48 × 17,525.31
  4. Step 4: Simplify right side
    30,955.83x = 748,689,655.35
  5. Step 5: Solve for x
    x = 748,689,655.35/30,955.83
  6. Step 6: Final answer
    x = 24,185.74

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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.