Home / 42,683.96-64,023.50-13,101.76

Finding the Fourth Proportional to 42,683.96, 64,023.50 and 13,101.76

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Solution

The fourth proportional to 42,683.96, 64,023.50 and 13,101.76 is: 19,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683.96 : 64,023.50 = 13,101.76 : x
  2. Step 2: Convert to fraction form
    42,683.96/64,023.50 = 13,101.76/x
  3. Step 3: Cross multiply
    42,683.96x = 64,023.50 × 13,101.76
  4. Step 4: Simplify right side
    42,683.96x = 838,820,531.36
  5. Step 5: Solve for x
    x = 838,820,531.36/42,683.96
  6. Step 6: Final answer
    x = 19,651.89

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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.