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Finding the Fourth Proportional to 64,681.94, 97,008.33 and 17,938.46

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Solution

The fourth proportional to 64,681.94, 97,008.33 and 17,938.46 is: 26,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681.94 : 97,008.33 = 17,938.46 : x
  2. Step 2: Convert to fraction form
    64,681.94/97,008.33 = 17,938.46/x
  3. Step 3: Cross multiply
    64,681.94x = 97,008.33 × 17,938.46
  4. Step 4: Simplify right side
    64,681.94x = 1,740,180,357.16
  5. Step 5: Solve for x
    x = 1,740,180,357.16/64,681.94
  6. Step 6: Final answer
    x = 26,903.65

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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.