Home / 52,290.30-78,420.78-37,455.12

Finding the Fourth Proportional to 52,290.30, 78,420.78 and 37,455.12

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Solution

The fourth proportional to 52,290.30, 78,420.78 and 37,455.12 is: 56,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.30 : 78,420.78 = 37,455.12 : x
  2. Step 2: Convert to fraction form
    52,290.30/78,420.78 = 37,455.12/x
  3. Step 3: Cross multiply
    52,290.30x = 78,420.78 × 37,455.12
  4. Step 4: Simplify right side
    52,290.30x = 2,937,259,725.39
  5. Step 5: Solve for x
    x = 2,937,259,725.39/52,290.30
  6. Step 6: Final answer
    x = 56,172.17

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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.