Home / 30,591.24-42,258.51-28,995.13

Finding the Fourth Proportional to 30,591.24, 42,258.51 and 28,995.13

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Solution

The fourth proportional to 30,591.24, 42,258.51 and 28,995.13 is: 40,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.24 : 42,258.51 = 28,995.13 : x
  2. Step 2: Convert to fraction form
    30,591.24/42,258.51 = 28,995.13/x
  3. Step 3: Cross multiply
    30,591.24x = 42,258.51 × 28,995.13
  4. Step 4: Simplify right side
    30,591.24x = 1,225,291,043.88
  5. Step 5: Solve for x
    x = 1,225,291,043.88/30,591.24
  6. Step 6: Final answer
    x = 40,053.66

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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.