Home / 42,172.04-63,259.18-18,467.34

Finding the Fourth Proportional to 42,172.04, 63,259.18 and 18,467.34

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Solution

The fourth proportional to 42,172.04, 63,259.18 and 18,467.34 is: 27,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,172.04 : 63,259.18 = 18,467.34 : x
  2. Step 2: Convert to fraction form
    42,172.04/63,259.18 = 18,467.34/x
  3. Step 3: Cross multiply
    42,172.04x = 63,259.18 × 18,467.34
  4. Step 4: Simplify right side
    42,172.04x = 1,168,228,857.62
  5. Step 5: Solve for x
    x = 1,168,228,857.62/42,172.04
  6. Step 6: Final answer
    x = 27,701.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.