Home / 64,746.68-97,125.72-19,778.18

Finding the Fourth Proportional to 64,746.68, 97,125.72 and 19,778.18

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Solution

The fourth proportional to 64,746.68, 97,125.72 and 19,778.18 is: 29,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.68 : 97,125.72 = 19,778.18 : x
  2. Step 2: Convert to fraction form
    64,746.68/97,125.72 = 19,778.18/x
  3. Step 3: Cross multiply
    64,746.68x = 97,125.72 × 19,778.18
  4. Step 4: Simplify right side
    64,746.68x = 1,920,969,412.99
  5. Step 5: Solve for x
    x = 1,920,969,412.99/64,746.68
  6. Step 6: Final answer
    x = 29,669.00

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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.