Home / 42,914.68-64,380.66-14,835.76

Finding the Fourth Proportional to 42,914.68, 64,380.66 and 14,835.76

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Solution

The fourth proportional to 42,914.68, 64,380.66 and 14,835.76 is: 22,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914.68 : 64,380.66 = 14,835.76 : x
  2. Step 2: Convert to fraction form
    42,914.68/64,380.66 = 14,835.76/x
  3. Step 3: Cross multiply
    42,914.68x = 64,380.66 × 14,835.76
  4. Step 4: Simplify right side
    42,914.68x = 955,136,020.40
  5. Step 5: Solve for x
    x = 955,136,020.40/42,914.68
  6. Step 6: Final answer
    x = 22,256.63

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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.