Home / 30,903.22-42,646.44-16,756.12

Finding the Fourth Proportional to 30,903.22, 42,646.44 and 16,756.12

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Solution

The fourth proportional to 30,903.22, 42,646.44 and 16,756.12 is: 23,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.22 : 42,646.44 = 16,756.12 : x
  2. Step 2: Convert to fraction form
    30,903.22/42,646.44 = 16,756.12/x
  3. Step 3: Cross multiply
    30,903.22x = 42,646.44 × 16,756.12
  4. Step 4: Simplify right side
    30,903.22x = 714,588,866.21
  5. Step 5: Solve for x
    x = 714,588,866.21/30,903.22
  6. Step 6: Final answer
    x = 23,123.44

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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.