Home / 40,421.08-55,784.10-23,430.52

Finding the Fourth Proportional to 40,421.08, 55,784.10 and 23,430.52

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Solution

The fourth proportional to 40,421.08, 55,784.10 and 23,430.52 is: 32,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.08 : 55,784.10 = 23,430.52 : x
  2. Step 2: Convert to fraction form
    40,421.08/55,784.10 = 23,430.52/x
  3. Step 3: Cross multiply
    40,421.08x = 55,784.10 × 23,430.52
  4. Step 4: Simplify right side
    40,421.08x = 1,307,050,470.73
  5. Step 5: Solve for x
    x = 1,307,050,470.73/40,421.08
  6. Step 6: Final answer
    x = 32,335.86

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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.