Home / 65,012.40-97,518.60-18,265.68

Finding the Fourth Proportional to 65,012.40, 97,518.60 and 18,265.68

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Solution

The fourth proportional to 65,012.40, 97,518.60 and 18,265.68 is: 27,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,012.40 : 97,518.60 = 18,265.68 : x
  2. Step 2: Convert to fraction form
    65,012.40/97,518.60 = 18,265.68/x
  3. Step 3: Cross multiply
    65,012.40x = 97,518.60 × 18,265.68
  4. Step 4: Simplify right side
    65,012.40x = 1,781,243,541.65
  5. Step 5: Solve for x
    x = 1,781,243,541.65/65,012.40
  6. Step 6: Final answer
    x = 27,398.52

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1.5x scale

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.