Home / 42,770.32-64,166.02-14,690.80

Finding the Fourth Proportional to 42,770.32, 64,166.02 and 14,690.80

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Solution

The fourth proportional to 42,770.32, 64,166.02 and 14,690.80 is: 22,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,770.32 : 64,166.02 = 14,690.80 : x
  2. Step 2: Convert to fraction form
    42,770.32/64,166.02 = 14,690.80/x
  3. Step 3: Cross multiply
    42,770.32x = 64,166.02 × 14,690.80
  4. Step 4: Simplify right side
    42,770.32x = 942,650,166.62
  5. Step 5: Solve for x
    x = 942,650,166.62/42,770.32
  6. Step 6: Final answer
    x = 22,039.82

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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.