Home / 30,583.17-42,209.51-17,159.85

Finding the Fourth Proportional to 30,583.17, 42,209.51 and 17,159.85

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Solution

The fourth proportional to 30,583.17, 42,209.51 and 17,159.85 is: 23,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.17 : 42,209.51 = 17,159.85 : x
  2. Step 2: Convert to fraction form
    30,583.17/42,209.51 = 17,159.85/x
  3. Step 3: Cross multiply
    30,583.17x = 42,209.51 × 17,159.85
  4. Step 4: Simplify right side
    30,583.17x = 724,308,774.37
  5. Step 5: Solve for x
    x = 724,308,774.37/30,583.17
  6. Step 6: Final answer
    x = 23,683.25

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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.