Home / 30,442.11-42,011.01-17,013.39

Finding the Fourth Proportional to 30,442.11, 42,011.01 and 17,013.39

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Solution

The fourth proportional to 30,442.11, 42,011.01 and 17,013.39 is: 23,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.11 : 42,011.01 = 17,013.39 : x
  2. Step 2: Convert to fraction form
    30,442.11/42,011.01 = 17,013.39/x
  3. Step 3: Cross multiply
    30,442.11x = 42,011.01 × 17,013.39
  4. Step 4: Simplify right side
    30,442.11x = 714,749,697.42
  5. Step 5: Solve for x
    x = 714,749,697.42/30,442.11
  6. Step 6: Final answer
    x = 23,478.98

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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.