Home / 64,746.98-97,126.18-19,778.50

Finding the Fourth Proportional to 64,746.98, 97,126.18 and 19,778.50

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Solution

The fourth proportional to 64,746.98, 97,126.18 and 19,778.50 is: 29,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.98 : 97,126.18 = 19,778.50 : x
  2. Step 2: Convert to fraction form
    64,746.98/97,126.18 = 19,778.50/x
  3. Step 3: Cross multiply
    64,746.98x = 97,126.18 × 19,778.50
  4. Step 4: Simplify right side
    64,746.98x = 1,921,010,151.13
  5. Step 5: Solve for x
    x = 1,921,010,151.13/64,746.98
  6. Step 6: Final answer
    x = 29,669.49

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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.