Home / 30,495.60-42,084.45-17,065.26

Finding the Fourth Proportional to 30,495.60, 42,084.45 and 17,065.26

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Solution

The fourth proportional to 30,495.60, 42,084.45 and 17,065.26 is: 23,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.60 : 42,084.45 = 17,065.26 : x
  2. Step 2: Convert to fraction form
    30,495.60/42,084.45 = 17,065.26/x
  3. Step 3: Cross multiply
    30,495.60x = 42,084.45 × 17,065.26
  4. Step 4: Simplify right side
    30,495.60x = 718,182,081.21
  5. Step 5: Solve for x
    x = 718,182,081.21/30,495.60
  6. Step 6: Final answer
    x = 23,550.35

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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.