Home / 52,172.93-72,002.21-29,511.93

Finding the Fourth Proportional to 52,172.93, 72,002.21 and 29,511.93

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Solution

The fourth proportional to 52,172.93, 72,002.21 and 29,511.93 is: 40,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.93 : 72,002.21 = 29,511.93 : x
  2. Step 2: Convert to fraction form
    52,172.93/72,002.21 = 29,511.93/x
  3. Step 3: Cross multiply
    52,172.93x = 72,002.21 × 29,511.93
  4. Step 4: Simplify right side
    52,172.93x = 2,124,924,033.81
  5. Step 5: Solve for x
    x = 2,124,924,033.81/52,172.93
  6. Step 6: Final answer
    x = 40,728.48

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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.