Home / 77,767.66-116,638.29-21,613.18

Finding the Fourth Proportional to 77,767.66, 116,638.29 and 21,613.18

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Solution

The fourth proportional to 77,767.66, 116,638.29 and 21,613.18 is: 32,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767.66 : 116,638.29 = 21,613.18 : x
  2. Step 2: Convert to fraction form
    77,767.66/116,638.29 = 21,613.18/x
  3. Step 3: Cross multiply
    77,767.66x = 116,638.29 × 21,613.18
  4. Step 4: Simplify right side
    77,767.66x = 2,520,924,356.66
  5. Step 5: Solve for x
    x = 2,520,924,356.66/77,767.66
  6. Step 6: Final answer
    x = 32,416.10

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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.