Home / 39,691.60-59,547.32-14,738.74

Finding the Fourth Proportional to 39,691.60, 59,547.32 and 14,738.74

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Solution

The fourth proportional to 39,691.60, 59,547.32 and 14,738.74 is: 22,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.60 : 59,547.32 = 14,738.74 : x
  2. Step 2: Convert to fraction form
    39,691.60/59,547.32 = 14,738.74/x
  3. Step 3: Cross multiply
    39,691.60x = 59,547.32 × 14,738.74
  4. Step 4: Simplify right side
    39,691.60x = 877,652,467.18
  5. Step 5: Solve for x
    x = 877,652,467.18/39,691.60
  6. Step 6: Final answer
    x = 22,111.79

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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.