Home / 42,887.68-64,315.72-14,800.57

Finding the Fourth Proportional to 42,887.68, 64,315.72 and 14,800.57

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Solution

The fourth proportional to 42,887.68, 64,315.72 and 14,800.57 is: 22,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887.68 : 64,315.72 = 14,800.57 : x
  2. Step 2: Convert to fraction form
    42,887.68/64,315.72 = 14,800.57/x
  3. Step 3: Cross multiply
    42,887.68x = 64,315.72 × 14,800.57
  4. Step 4: Simplify right side
    42,887.68x = 951,909,173.67
  5. Step 5: Solve for x
    x = 951,909,173.67/42,887.68
  6. Step 6: Final answer
    x = 22,195.40

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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.