Home / 30,065.27-45,044.42-25,637.81

Finding the Fourth Proportional to 30,065.27, 45,044.42 and 25,637.81

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Solution

The fourth proportional to 30,065.27, 45,044.42 and 25,637.81 is: 38,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.27 : 45,044.42 = 25,637.81 : x
  2. Step 2: Convert to fraction form
    30,065.27/45,044.42 = 25,637.81/x
  3. Step 3: Cross multiply
    30,065.27x = 45,044.42 × 25,637.81
  4. Step 4: Simplify right side
    30,065.27x = 1,154,839,928.11
  5. Step 5: Solve for x
    x = 1,154,839,928.11/30,065.27
  6. Step 6: Final answer
    x = 38,411.10

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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.