Home / 30,237.66-45,361.35-10,521.81

Finding the Fourth Proportional to 30,237.66, 45,361.35 and 10,521.81

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Solution

The fourth proportional to 30,237.66, 45,361.35 and 10,521.81 is: 15,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.66 : 45,361.35 = 10,521.81 : x
  2. Step 2: Convert to fraction form
    30,237.66/45,361.35 = 10,521.81/x
  3. Step 3: Cross multiply
    30,237.66x = 45,361.35 × 10,521.81
  4. Step 4: Simplify right side
    30,237.66x = 477,283,506.04
  5. Step 5: Solve for x
    x = 477,283,506.04/30,237.66
  6. Step 6: Final answer
    x = 15,784.41

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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.