Home / 31,838.85-47,752.16-30,258.35

Finding the Fourth Proportional to 31,838.85, 47,752.16 and 30,258.35

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Solution

The fourth proportional to 31,838.85, 47,752.16 and 30,258.35 is: 45,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.85 : 47,752.16 = 30,258.35 : x
  2. Step 2: Convert to fraction form
    31,838.85/47,752.16 = 30,258.35/x
  3. Step 3: Cross multiply
    31,838.85x = 47,752.16 × 30,258.35
  4. Step 4: Simplify right side
    31,838.85x = 1,444,901,180.48
  5. Step 5: Solve for x
    x = 1,444,901,180.48/31,838.85
  6. Step 6: Final answer
    x = 45,381.70

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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.