Home / 30,592.85-42,218.79-17,165.08

Finding the Fourth Proportional to 30,592.85, 42,218.79 and 17,165.08

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Solution

The fourth proportional to 30,592.85, 42,218.79 and 17,165.08 is: 23,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.85 : 42,218.79 = 17,165.08 : x
  2. Step 2: Convert to fraction form
    30,592.85/42,218.79 = 17,165.08/x
  3. Step 3: Cross multiply
    30,592.85x = 42,218.79 × 17,165.08
  4. Step 4: Simplify right side
    30,592.85x = 724,688,802.31
  5. Step 5: Solve for x
    x = 724,688,802.31/30,592.85
  6. Step 6: Final answer
    x = 23,688.17

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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.