Home / 77,552.28-116,307.18-21,379.14

Finding the Fourth Proportional to 77,552.28, 116,307.18 and 21,379.14

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Solution

The fourth proportional to 77,552.28, 116,307.18 and 21,379.14 is: 32,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,552.28 : 116,307.18 = 21,379.14 : x
  2. Step 2: Convert to fraction form
    77,552.28/116,307.18 = 21,379.14/x
  3. Step 3: Cross multiply
    77,552.28x = 116,307.18 × 21,379.14
  4. Step 4: Simplify right side
    77,552.28x = 2,486,547,484.23
  5. Step 5: Solve for x
    x = 2,486,547,484.23/77,552.28
  6. Step 6: Final answer
    x = 32,062.85

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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.