Home / 64,748.18-97,137.29-20,373.77

Finding the Fourth Proportional to 64,748.18, 97,137.29 and 20,373.77

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Solution

The fourth proportional to 64,748.18, 97,137.29 and 20,373.77 is: 30,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,748.18 : 97,137.29 = 20,373.77 : x
  2. Step 2: Convert to fraction form
    64,748.18/97,137.29 = 20,373.77/x
  3. Step 3: Cross multiply
    64,748.18x = 97,137.29 × 20,373.77
  4. Step 4: Simplify right side
    64,748.18x = 1,979,053,251.76
  5. Step 5: Solve for x
    x = 1,979,053,251.76/64,748.18
  6. Step 6: Final answer
    x = 30,565.39

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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.