Home / 31,154.77-46,655.83-28,159.39

Finding the Fourth Proportional to 31,154.77, 46,655.83 and 28,159.39

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Solution

The fourth proportional to 31,154.77, 46,655.83 and 28,159.39 is: 42,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.77 : 46,655.83 = 28,159.39 : x
  2. Step 2: Convert to fraction form
    31,154.77/46,655.83 = 28,159.39/x
  3. Step 3: Cross multiply
    31,154.77x = 46,655.83 × 28,159.39
  4. Step 4: Simplify right side
    31,154.77x = 1,313,799,712.74
  5. Step 5: Solve for x
    x = 1,313,799,712.74/31,154.77
  6. Step 6: Final answer
    x = 42,170.10

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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.