Home / 31,364.18-47,036.35-10,300.75

Finding the Fourth Proportional to 31,364.18, 47,036.35 and 10,300.75

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Solution

The fourth proportional to 31,364.18, 47,036.35 and 10,300.75 is: 15,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,364.18 : 47,036.35 = 10,300.75 : x
  2. Step 2: Convert to fraction form
    31,364.18/47,036.35 = 10,300.75/x
  3. Step 3: Cross multiply
    31,364.18x = 47,036.35 × 10,300.75
  4. Step 4: Simplify right side
    31,364.18x = 484,509,682.26
  5. Step 5: Solve for x
    x = 484,509,682.26/31,364.18
  6. Step 6: Final answer
    x = 15,447.87

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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.