Home / 65,209.04-97,817.40-18,458

Finding the Fourth Proportional to 65,209.04, 97,817.40 and 18,458

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Solution

The fourth proportional to 65,209.04, 97,817.40 and 18,458 is: 27,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,209.04 : 97,817.40 = 18,458 : x
  2. Step 2: Convert to fraction form
    65,209.04/97,817.40 = 18,458/x
  3. Step 3: Cross multiply
    65,209.04x = 97,817.40 × 18,458
  4. Step 4: Simplify right side
    65,209.04x = 1,805,513,569.20
  5. Step 5: Solve for x
    x = 1,805,513,569.20/65,209.04
  6. Step 6: Final answer
    x = 27,688.09

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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.