Home / 43,421.70-59,926.20-31,332.15

Finding the Fourth Proportional to 43,421.70, 59,926.20 and 31,332.15

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Solution

The fourth proportional to 43,421.70, 59,926.20 and 31,332.15 is: 43,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.70 : 59,926.20 = 31,332.15 : x
  2. Step 2: Convert to fraction form
    43,421.70/59,926.20 = 31,332.15/x
  3. Step 3: Cross multiply
    43,421.70x = 59,926.20 × 31,332.15
  4. Step 4: Simplify right side
    43,421.70x = 1,877,616,569.83
  5. Step 5: Solve for x
    x = 1,877,616,569.83/43,421.70
  6. Step 6: Final answer
    x = 43,241.43

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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.