Home / 30,802.23-42,508.52-17,373.21

Finding the Fourth Proportional to 30,802.23, 42,508.52 and 17,373.21

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Solution

The fourth proportional to 30,802.23, 42,508.52 and 17,373.21 is: 23,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.23 : 42,508.52 = 17,373.21 : x
  2. Step 2: Convert to fraction form
    30,802.23/42,508.52 = 17,373.21/x
  3. Step 3: Cross multiply
    30,802.23x = 42,508.52 × 17,373.21
  4. Step 4: Simplify right side
    30,802.23x = 738,509,444.75
  5. Step 5: Solve for x
    x = 738,509,444.75/30,802.23
  6. Step 6: Final answer
    x = 23,975.84

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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.