Home / 42,733.92-64,099.02-13,154.76

Finding the Fourth Proportional to 42,733.92, 64,099.02 and 13,154.76

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Solution

The fourth proportional to 42,733.92, 64,099.02 and 13,154.76 is: 19,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,733.92 : 64,099.02 = 13,154.76 : x
  2. Step 2: Convert to fraction form
    42,733.92/64,099.02 = 13,154.76/x
  3. Step 3: Cross multiply
    42,733.92x = 64,099.02 × 13,154.76
  4. Step 4: Simplify right side
    42,733.92x = 843,207,224.34
  5. Step 5: Solve for x
    x = 843,207,224.34/42,733.92
  6. Step 6: Final answer
    x = 19,731.57

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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.