Home / 30,903.04-42,646.20-16,755.82

Finding the Fourth Proportional to 30,903.04, 42,646.20 and 16,755.82

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Solution

The fourth proportional to 30,903.04, 42,646.20 and 16,755.82 is: 23,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.04 : 42,646.20 = 16,755.82 : x
  2. Step 2: Convert to fraction form
    30,903.04/42,646.20 = 16,755.82/x
  3. Step 3: Cross multiply
    30,903.04x = 42,646.20 × 16,755.82
  4. Step 4: Simplify right side
    30,903.04x = 714,572,050.88
  5. Step 5: Solve for x
    x = 714,572,050.88/30,903.04
  6. Step 6: Final answer
    x = 23,123.03

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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.