Home / 65,457.16-98,201.46-21,088.12

Finding the Fourth Proportional to 65,457.16, 98,201.46 and 21,088.12

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Solution

The fourth proportional to 65,457.16, 98,201.46 and 21,088.12 is: 31,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457.16 : 98,201.46 = 21,088.12 : x
  2. Step 2: Convert to fraction form
    65,457.16/98,201.46 = 21,088.12/x
  3. Step 3: Cross multiply
    65,457.16x = 98,201.46 × 21,088.12
  4. Step 4: Simplify right side
    65,457.16x = 2,070,884,172.66
  5. Step 5: Solve for x
    x = 2,070,884,172.66/65,457.16
  6. Step 6: Final answer
    x = 31,637.24

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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.