Home / 30,448.11-45,671.13-10,726.15

Finding the Fourth Proportional to 30,448.11, 45,671.13 and 10,726.15

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Solution

The fourth proportional to 30,448.11, 45,671.13 and 10,726.15 is: 16,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.11 : 45,671.13 = 10,726.15 : x
  2. Step 2: Convert to fraction form
    30,448.11/45,671.13 = 10,726.15/x
  3. Step 3: Cross multiply
    30,448.11x = 45,671.13 × 10,726.15
  4. Step 4: Simplify right side
    30,448.11x = 489,875,276.87
  5. Step 5: Solve for x
    x = 489,875,276.87/30,448.11
  6. Step 6: Final answer
    x = 16,088.86

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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.