Home / 53,609.16-80,421.18-31,130.46

Finding the Fourth Proportional to 53,609.16, 80,421.18 and 31,130.46

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Solution

The fourth proportional to 53,609.16, 80,421.18 and 31,130.46 is: 46,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,609.16 : 80,421.18 = 31,130.46 : x
  2. Step 2: Convert to fraction form
    53,609.16/80,421.18 = 31,130.46/x
  3. Step 3: Cross multiply
    53,609.16x = 80,421.18 × 31,130.46
  4. Step 4: Simplify right side
    53,609.16x = 2,503,548,327.14
  5. Step 5: Solve for x
    x = 2,503,548,327.14/53,609.16
  6. Step 6: Final answer
    x = 46,700.01

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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.