Home / 30,864.56-42,592.77-17,435.79

Finding the Fourth Proportional to 30,864.56, 42,592.77 and 17,435.79

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Solution

The fourth proportional to 30,864.56, 42,592.77 and 17,435.79 is: 24,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.56 : 42,592.77 = 17,435.79 : x
  2. Step 2: Convert to fraction form
    30,864.56/42,592.77 = 17,435.79/x
  3. Step 3: Cross multiply
    30,864.56x = 42,592.77 × 17,435.79
  4. Step 4: Simplify right side
    30,864.56x = 742,638,593.24
  5. Step 5: Solve for x
    x = 742,638,593.24/30,864.56
  6. Step 6: Final answer
    x = 24,061.21

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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.