Home / 30,458.17-42,019.54-23,732.12

Finding the Fourth Proportional to 30,458.17, 42,019.54 and 23,732.12

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Solution

The fourth proportional to 30,458.17, 42,019.54 and 23,732.12 is: 32,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458.17 : 42,019.54 = 23,732.12 : x
  2. Step 2: Convert to fraction form
    30,458.17/42,019.54 = 23,732.12/x
  3. Step 3: Cross multiply
    30,458.17x = 42,019.54 × 23,732.12
  4. Step 4: Simplify right side
    30,458.17x = 997,212,451.70
  5. Step 5: Solve for x
    x = 997,212,451.70/30,458.17
  6. Step 6: Final answer
    x = 32,740.40

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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.