Home / 64,864.90-97,297.35-18,117.70

Finding the Fourth Proportional to 64,864.90, 97,297.35 and 18,117.70

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Solution

The fourth proportional to 64,864.90, 97,297.35 and 18,117.70 is: 27,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864.90 : 97,297.35 = 18,117.70 : x
  2. Step 2: Convert to fraction form
    64,864.90/97,297.35 = 18,117.70/x
  3. Step 3: Cross multiply
    64,864.90x = 97,297.35 × 18,117.70
  4. Step 4: Simplify right side
    64,864.90x = 1,762,804,198.10
  5. Step 5: Solve for x
    x = 1,762,804,198.10/64,864.90
  6. Step 6: Final answer
    x = 27,176.55

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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.