Home / 30,153.08-45,257.64-15,373.10

Finding the Fourth Proportional to 30,153.08, 45,257.64 and 15,373.10

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Solution

The fourth proportional to 30,153.08, 45,257.64 and 15,373.10 is: 23,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.08 : 45,257.64 = 15,373.10 : x
  2. Step 2: Convert to fraction form
    30,153.08/45,257.64 = 15,373.10/x
  3. Step 3: Cross multiply
    30,153.08x = 45,257.64 × 15,373.10
  4. Step 4: Simplify right side
    30,153.08x = 695,750,225.48
  5. Step 5: Solve for x
    x = 695,750,225.48/30,153.08
  6. Step 6: Final answer
    x = 23,073.94

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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.