Home / 64,837.13-97,255.69-18,090

Finding the Fourth Proportional to 64,837.13, 97,255.69 and 18,090

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Solution

The fourth proportional to 64,837.13, 97,255.69 and 18,090 is: 27,135

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.13 : 97,255.69 = 18,090 : x
  2. Step 2: Convert to fraction form
    64,837.13/97,255.69 = 18,090/x
  3. Step 3: Cross multiply
    64,837.13x = 97,255.69 × 18,090
  4. Step 4: Simplify right side
    64,837.13x = 1,759,355,386.88
  5. Step 5: Solve for x
    x = 1,759,355,386.88/64,837.13
  6. Step 6: Final answer
    x = 27,135

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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.