Home / 30,436.65-45,637.16-10,711.53

Finding the Fourth Proportional to 30,436.65, 45,637.16 and 10,711.53

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Solution

The fourth proportional to 30,436.65, 45,637.16 and 10,711.53 is: 16,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.65 : 45,637.16 = 10,711.53 : x
  2. Step 2: Convert to fraction form
    30,436.65/45,637.16 = 10,711.53/x
  3. Step 3: Cross multiply
    30,436.65x = 45,637.16 × 10,711.53
  4. Step 4: Simplify right side
    30,436.65x = 488,843,754.90
  5. Step 5: Solve for x
    x = 488,843,754.90/30,436.65
  6. Step 6: Final answer
    x = 16,061.02

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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.