Home / 31,123.20-46,684.80-29,762.40

Finding the Fourth Proportional to 31,123.20, 46,684.80 and 29,762.40

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Solution

The fourth proportional to 31,123.20, 46,684.80 and 29,762.40 is: 44,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,123.20 : 46,684.80 = 29,762.40 : x
  2. Step 2: Convert to fraction form
    31,123.20/46,684.80 = 29,762.40/x
  3. Step 3: Cross multiply
    31,123.20x = 46,684.80 × 29,762.40
  4. Step 4: Simplify right side
    31,123.20x = 1,389,451,691.52
  5. Step 5: Solve for x
    x = 1,389,451,691.52/31,123.20
  6. Step 6: Final answer
    x = 44,643.60

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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.