Home / 52,166.79-72,018.09-40,812.18

Finding the Fourth Proportional to 52,166.79, 72,018.09 and 40,812.18

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Solution

The fourth proportional to 52,166.79, 72,018.09 and 40,812.18 is: 56,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,166.79 : 72,018.09 = 40,812.18 : x
  2. Step 2: Convert to fraction form
    52,166.79/72,018.09 = 40,812.18/x
  3. Step 3: Cross multiply
    52,166.79x = 72,018.09 × 40,812.18
  4. Step 4: Simplify right side
    52,166.79x = 2,939,215,252.34
  5. Step 5: Solve for x
    x = 2,939,215,252.34/52,166.79
  6. Step 6: Final answer
    x = 56,342.65

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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.