Home / 30,737.47-42,417.66-17,308.09

Finding the Fourth Proportional to 30,737.47, 42,417.66 and 17,308.09

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Solution

The fourth proportional to 30,737.47, 42,417.66 and 17,308.09 is: 23,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.47 : 42,417.66 = 17,308.09 : x
  2. Step 2: Convert to fraction form
    30,737.47/42,417.66 = 17,308.09/x
  3. Step 3: Cross multiply
    30,737.47x = 42,417.66 × 17,308.09
  4. Step 4: Simplify right side
    30,737.47x = 734,168,676.87
  5. Step 5: Solve for x
    x = 734,168,676.87/30,737.47
  6. Step 6: Final answer
    x = 23,885.14

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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.