Home / 42,017.10-57,982.95-23,154.90

Finding the Fourth Proportional to 42,017.10, 57,982.95 and 23,154.90

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Solution

The fourth proportional to 42,017.10, 57,982.95 and 23,154.90 is: 31,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.10 : 57,982.95 = 23,154.90 : x
  2. Step 2: Convert to fraction form
    42,017.10/57,982.95 = 23,154.90/x
  3. Step 3: Cross multiply
    42,017.10x = 57,982.95 × 23,154.90
  4. Step 4: Simplify right side
    42,017.10x = 1,342,589,408.96
  5. Step 5: Solve for x
    x = 1,342,589,408.96/42,017.10
  6. Step 6: Final answer
    x = 31,953.40

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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.