Home / 30,378.36-41,925.76-17,803.10

Finding the Fourth Proportional to 30,378.36, 41,925.76 and 17,803.10

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Solution

The fourth proportional to 30,378.36, 41,925.76 and 17,803.10 is: 24,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.36 : 41,925.76 = 17,803.10 : x
  2. Step 2: Convert to fraction form
    30,378.36/41,925.76 = 17,803.10/x
  3. Step 3: Cross multiply
    30,378.36x = 41,925.76 × 17,803.10
  4. Step 4: Simplify right side
    30,378.36x = 746,408,497.86
  5. Step 5: Solve for x
    x = 746,408,497.86/30,378.36
  6. Step 6: Final answer
    x = 24,570.40

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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.