Home / 31,124.85-46,681.20-10,348.35

Finding the Fourth Proportional to 31,124.85, 46,681.20 and 10,348.35

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Solution

The fourth proportional to 31,124.85, 46,681.20 and 10,348.35 is: 15,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.85 : 46,681.20 = 10,348.35 : x
  2. Step 2: Convert to fraction form
    31,124.85/46,681.20 = 10,348.35/x
  3. Step 3: Cross multiply
    31,124.85x = 46,681.20 × 10,348.35
  4. Step 4: Simplify right side
    31,124.85x = 483,073,396.02
  5. Step 5: Solve for x
    x = 483,073,396.02/31,124.85
  6. Step 6: Final answer
    x = 15,520.51

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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.