Home / 65,830.02-98,747.76-21,457.16

Finding the Fourth Proportional to 65,830.02, 98,747.76 and 21,457.16

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Solution

The fourth proportional to 65,830.02, 98,747.76 and 21,457.16 is: 32,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.02 : 98,747.76 = 21,457.16 : x
  2. Step 2: Convert to fraction form
    65,830.02/98,747.76 = 21,457.16/x
  3. Step 3: Cross multiply
    65,830.02x = 98,747.76 × 21,457.16
  4. Step 4: Simplify right side
    65,830.02x = 2,118,846,485.96
  5. Step 5: Solve for x
    x = 2,118,846,485.96/65,830.02
  6. Step 6: Final answer
    x = 32,186.63

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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.