Home / 42,755.06-64,133.58-14,674.88

Finding the Fourth Proportional to 42,755.06, 64,133.58 and 14,674.88

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Solution

The fourth proportional to 42,755.06, 64,133.58 and 14,674.88 is: 22,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755.06 : 64,133.58 = 14,674.88 : x
  2. Step 2: Convert to fraction form
    42,755.06/64,133.58 = 14,674.88/x
  3. Step 3: Cross multiply
    42,755.06x = 64,133.58 × 14,674.88
  4. Step 4: Simplify right side
    42,755.06x = 941,152,590.47
  5. Step 5: Solve for x
    x = 941,152,590.47/42,755.06
  6. Step 6: Final answer
    x = 22,012.66

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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.