Home / 30,864.43-42,591.54-17,435.63

Finding the Fourth Proportional to 30,864.43, 42,591.54 and 17,435.63

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Solution

The fourth proportional to 30,864.43, 42,591.54 and 17,435.63 is: 24,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.43 : 42,591.54 = 17,435.63 : x
  2. Step 2: Convert to fraction form
    30,864.43/42,591.54 = 17,435.63/x
  3. Step 3: Cross multiply
    30,864.43x = 42,591.54 × 17,435.63
  4. Step 4: Simplify right side
    30,864.43x = 742,610,332.57
  5. Step 5: Solve for x
    x = 742,610,332.57/30,864.43
  6. Step 6: Final answer
    x = 24,060.40

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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.