Home / 77,019.24-115,547.33-24,428.71

Finding the Fourth Proportional to 77,019.24, 115,547.33 and 24,428.71

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Solution

The fourth proportional to 77,019.24, 115,547.33 and 24,428.71 is: 36,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,019.24 : 115,547.33 = 24,428.71 : x
  2. Step 2: Convert to fraction form
    77,019.24/115,547.33 = 24,428.71/x
  3. Step 3: Cross multiply
    77,019.24x = 115,547.33 × 24,428.71
  4. Step 4: Simplify right side
    77,019.24x = 2,822,672,215.84
  5. Step 5: Solve for x
    x = 2,822,672,215.84/77,019.24
  6. Step 6: Final answer
    x = 36,648.92

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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.