Home / 52,274.16-78,411.24-18,988.02

Finding the Fourth Proportional to 52,274.16, 78,411.24 and 18,988.02

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Solution

The fourth proportional to 52,274.16, 78,411.24 and 18,988.02 is: 28,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.16 : 78,411.24 = 18,988.02 : x
  2. Step 2: Convert to fraction form
    52,274.16/78,411.24 = 18,988.02/x
  3. Step 3: Cross multiply
    52,274.16x = 78,411.24 × 18,988.02
  4. Step 4: Simplify right side
    52,274.16x = 1,488,874,193.34
  5. Step 5: Solve for x
    x = 1,488,874,193.34/52,274.16
  6. Step 6: Final answer
    x = 28,482.03

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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.