Home / 31,590.63-43,543.09-22,395.24

Finding the Fourth Proportional to 31,590.63, 43,543.09 and 22,395.24

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Solution

The fourth proportional to 31,590.63, 43,543.09 and 22,395.24 is: 30,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.63 : 43,543.09 = 22,395.24 : x
  2. Step 2: Convert to fraction form
    31,590.63/43,543.09 = 22,395.24/x
  3. Step 3: Cross multiply
    31,590.63x = 43,543.09 × 22,395.24
  4. Step 4: Simplify right side
    31,590.63x = 975,157,950.89
  5. Step 5: Solve for x
    x = 975,157,950.89/31,590.63
  6. Step 6: Final answer
    x = 30,868.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.