Home / 40,437.40-60,645.30-12,357.40

Finding the Fourth Proportional to 40,437.40, 60,645.30 and 12,357.40

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Solution

The fourth proportional to 40,437.40, 60,645.30 and 12,357.40 is: 18,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.40 : 60,645.30 = 12,357.40 : x
  2. Step 2: Convert to fraction form
    40,437.40/60,645.30 = 12,357.40/x
  3. Step 3: Cross multiply
    40,437.40x = 60,645.30 × 12,357.40
  4. Step 4: Simplify right side
    40,437.40x = 749,418,230.22
  5. Step 5: Solve for x
    x = 749,418,230.22/40,437.40
  6. Step 6: Final answer
    x = 18,532.80

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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.