Home / 49,490.21-74,235.47-12,050.30

Finding the Fourth Proportional to 49,490.21, 74,235.47 and 12,050.30

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Solution

The fourth proportional to 49,490.21, 74,235.47 and 12,050.30 is: 18,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.21 : 74,235.47 = 12,050.30 : x
  2. Step 2: Convert to fraction form
    49,490.21/74,235.47 = 12,050.30/x
  3. Step 3: Cross multiply
    49,490.21x = 74,235.47 × 12,050.30
  4. Step 4: Simplify right side
    49,490.21x = 894,559,809.48
  5. Step 5: Solve for x
    x = 894,559,809.48/49,490.21
  6. Step 6: Final answer
    x = 18,075.49

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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.