Home / 32,400.78-44,421.47-31,810.29

Finding the Fourth Proportional to 32,400.78, 44,421.47 and 31,810.29

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Solution

The fourth proportional to 32,400.78, 44,421.47 and 31,810.29 is: 43,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,400.78 : 44,421.47 = 31,810.29 : x
  2. Step 2: Convert to fraction form
    32,400.78/44,421.47 = 31,810.29/x
  3. Step 3: Cross multiply
    32,400.78x = 44,421.47 × 31,810.29
  4. Step 4: Simplify right side
    32,400.78x = 1,413,059,842.93
  5. Step 5: Solve for x
    x = 1,413,059,842.93/32,400.78
  6. Step 6: Final answer
    x = 43,611.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.