Home / 52,636.12-78,954.18-21,473.80

Finding the Fourth Proportional to 52,636.12, 78,954.18 and 21,473.80

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Solution

The fourth proportional to 52,636.12, 78,954.18 and 21,473.80 is: 32,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.12 : 78,954.18 = 21,473.80 : x
  2. Step 2: Convert to fraction form
    52,636.12/78,954.18 = 21,473.80/x
  3. Step 3: Cross multiply
    52,636.12x = 78,954.18 × 21,473.80
  4. Step 4: Simplify right side
    52,636.12x = 1,695,446,270.48
  5. Step 5: Solve for x
    x = 1,695,446,270.48/52,636.12
  6. Step 6: Final answer
    x = 32,210.70

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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.