Home / 30,418.12-45,685.98-25,225.48

Finding the Fourth Proportional to 30,418.12, 45,685.98 and 25,225.48

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Solution

The fourth proportional to 30,418.12, 45,685.98 and 25,225.48 is: 37,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.12 : 45,685.98 = 25,225.48 : x
  2. Step 2: Convert to fraction form
    30,418.12/45,685.98 = 25,225.48/x
  3. Step 3: Cross multiply
    30,418.12x = 45,685.98 × 25,225.48
  4. Step 4: Simplify right side
    30,418.12x = 1,152,450,774.77
  5. Step 5: Solve for x
    x = 1,152,450,774.77/30,418.12
  6. Step 6: Final answer
    x = 37,886.98

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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.