Home / 45,513.15-68,300.46-15,931.23

Finding the Fourth Proportional to 45,513.15, 68,300.46 and 15,931.23

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Solution

The fourth proportional to 45,513.15, 68,300.46 and 15,931.23 is: 23,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513.15 : 68,300.46 = 15,931.23 : x
  2. Step 2: Convert to fraction form
    45,513.15/68,300.46 = 15,931.23/x
  3. Step 3: Cross multiply
    45,513.15x = 68,300.46 × 15,931.23
  4. Step 4: Simplify right side
    45,513.15x = 1,088,110,337.37
  5. Step 5: Solve for x
    x = 1,088,110,337.37/45,513.15
  6. Step 6: Final answer
    x = 23,907.60

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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.