Home / 30,125.14-45,192.71-10,398.40

Finding the Fourth Proportional to 30,125.14, 45,192.71 and 10,398.40

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Solution

The fourth proportional to 30,125.14, 45,192.71 and 10,398.40 is: 15,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.14 : 45,192.71 = 10,398.40 : x
  2. Step 2: Convert to fraction form
    30,125.14/45,192.71 = 10,398.40/x
  3. Step 3: Cross multiply
    30,125.14x = 45,192.71 × 10,398.40
  4. Step 4: Simplify right side
    30,125.14x = 469,931,788.68
  5. Step 5: Solve for x
    x = 469,931,788.68/30,125.14
  6. Step 6: Final answer
    x = 15,599.32

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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.