Home / 64,918.29-97,381.88-38,303.18

Finding the Fourth Proportional to 64,918.29, 97,381.88 and 38,303.18

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Solution

The fourth proportional to 64,918.29, 97,381.88 and 38,303.18 is: 57,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,918.29 : 97,381.88 = 38,303.18 : x
  2. Step 2: Convert to fraction form
    64,918.29/97,381.88 = 38,303.18/x
  3. Step 3: Cross multiply
    64,918.29x = 97,381.88 × 38,303.18
  4. Step 4: Simplify right side
    64,918.29x = 3,730,035,678.38
  5. Step 5: Solve for x
    x = 3,730,035,678.38/64,918.29
  6. Step 6: Final answer
    x = 57,457.39

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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.