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Finding the Fourth Proportional to 32,637, 45,039.06 and 19,389

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Solution

The fourth proportional to 32,637, 45,039.06 and 19,389 is: 26,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,637 : 45,039.06 = 19,389 : x
  2. Step 2: Convert to fraction form
    32,637/45,039.06 = 19,389/x
  3. Step 3: Cross multiply
    32,637x = 45,039.06 × 19,389
  4. Step 4: Simplify right side
    32,637x = 873,262,334.34
  5. Step 5: Solve for x
    x = 873,262,334.34/32,637
  6. Step 6: Final answer
    x = 26,756.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.