Home / 31,132.80-46,647.90-17,962.20

Finding the Fourth Proportional to 31,132.80, 46,647.90 and 17,962.20

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Solution

The fourth proportional to 31,132.80, 46,647.90 and 17,962.20 is: 26,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.80 : 46,647.90 = 17,962.20 : x
  2. Step 2: Convert to fraction form
    31,132.80/46,647.90 = 17,962.20/x
  3. Step 3: Cross multiply
    31,132.80x = 46,647.90 × 17,962.20
  4. Step 4: Simplify right side
    31,132.80x = 837,898,909.38
  5. Step 5: Solve for x
    x = 837,898,909.38/31,132.80
  6. Step 6: Final answer
    x = 26,913.70

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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.