Home / 65,271.48-97,876.98-20,888.34

Finding the Fourth Proportional to 65,271.48, 97,876.98 and 20,888.34

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Solution

The fourth proportional to 65,271.48, 97,876.98 and 20,888.34 is: 31,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,271.48 : 97,876.98 = 20,888.34 : x
  2. Step 2: Convert to fraction form
    65,271.48/97,876.98 = 20,888.34/x
  3. Step 3: Cross multiply
    65,271.48x = 97,876.98 × 20,888.34
  4. Step 4: Simplify right side
    65,271.48x = 2,044,487,636.41
  5. Step 5: Solve for x
    x = 2,044,487,636.41/65,271.48
  6. Step 6: Final answer
    x = 31,322.83

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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.