Home / 30,847.55-42,569.63-16,700.39

Finding the Fourth Proportional to 30,847.55, 42,569.63 and 16,700.39

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Solution

The fourth proportional to 30,847.55, 42,569.63 and 16,700.39 is: 23,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.55 : 42,569.63 = 16,700.39 : x
  2. Step 2: Convert to fraction form
    30,847.55/42,569.63 = 16,700.39/x
  3. Step 3: Cross multiply
    30,847.55x = 42,569.63 × 16,700.39
  4. Step 4: Simplify right side
    30,847.55x = 710,929,126.81
  5. Step 5: Solve for x
    x = 710,929,126.81/30,847.55
  6. Step 6: Final answer
    x = 23,046.54

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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.