Home / 51,184.40-76,645.56-31,403.12

Finding the Fourth Proportional to 51,184.40, 76,645.56 and 31,403.12

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Solution

The fourth proportional to 51,184.40, 76,645.56 and 31,403.12 is: 47,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.40 : 76,645.56 = 31,403.12 : x
  2. Step 2: Convert to fraction form
    51,184.40/76,645.56 = 31,403.12/x
  3. Step 3: Cross multiply
    51,184.40x = 76,645.56 × 31,403.12
  4. Step 4: Simplify right side
    51,184.40x = 2,406,909,718.15
  5. Step 5: Solve for x
    x = 2,406,909,718.15/51,184.40
  6. Step 6: Final answer
    x = 47,024.28

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1.5x scale

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.