Home / 30,013.04-45,047.81-15,232.57

Finding the Fourth Proportional to 30,013.04, 45,047.81 and 15,232.57

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Solution

The fourth proportional to 30,013.04, 45,047.81 and 15,232.57 is: 22,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.04 : 45,047.81 = 15,232.57 : x
  2. Step 2: Convert to fraction form
    30,013.04/45,047.81 = 15,232.57/x
  3. Step 3: Cross multiply
    30,013.04x = 45,047.81 × 15,232.57
  4. Step 4: Simplify right side
    30,013.04x = 686,193,617.77
  5. Step 5: Solve for x
    x = 686,193,617.77/30,013.04
  6. Step 6: Final answer
    x = 22,863.18

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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.