Home / 30,824.72-42,538.12-16,677.52

Finding the Fourth Proportional to 30,824.72, 42,538.12 and 16,677.52

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Solution

The fourth proportional to 30,824.72, 42,538.12 and 16,677.52 is: 23,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.72 : 42,538.12 = 16,677.52 : x
  2. Step 2: Convert to fraction form
    30,824.72/42,538.12 = 16,677.52/x
  3. Step 3: Cross multiply
    30,824.72x = 42,538.12 × 16,677.52
  4. Step 4: Simplify right side
    30,824.72x = 709,430,347.06
  5. Step 5: Solve for x
    x = 709,430,347.06/30,824.72
  6. Step 6: Final answer
    x = 23,014.98

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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.